Research vessels by country include:

• ARA Almirante Irízar
• ARA Puerto Deseado
• ARA Comodoro Rivadavia
• ARA Austral

• RSV Nuyina
• RSV Aurora Australis
• RV Franklin
• RV Investigator
• MV Nella Dan
• RV Southern Surveyor
• RV Solander
• RV Cape Ferguson

• RV Meen Shandhani
• CVASU Research Vessel

• RV Belgica (retired)
• RV Zeeleeuw
• RV Simon Stevin

• RV Atlantic Explorer

• RV Professor W. Besnard (1967-2008)
• RV Atlântico Sul (1973-)^[1]
• RV Alpha Crucis (2012-)^[2]
• BNS H21 Sirius
• BNS H35 Amorim do Valle
• BNS H36 Taurus
• BNS H37 Garnier Sampaio
• BNS H38 Cruzeiro do Sul
• BNS H40 Antares

• CCGS Amundsen
• CCGS Frederick G. Creed
• CCGS Hudson
• CCGS Limnos
• CCGS Alfred Needler
• CCGS W. E. Ricker
• CCGS Teleost
• CCGS John P. Tully
• CCGS Vector
• CCGS Capt. Jacques Cartier
• CCGS John Cabot (2020)
• CCGS Sir John Franklin
• Coriolis II
• MV Nuliajuk

• Cabo de Hornos AGS 61

• Xuě Lóng
• Type 625 research vessel

• ARC Providencia
• ARC Malpelo
• ARC Quindio
• ARC Caribe
• ARC Roncador
• ARC Simon Bolivar
• B/I Ancón

• Anuanua Moana (2023—present)

See also List of Danish research ships, which includes ships used only for expeditions

• Aurora (2014–present)
• Biologen (1932-1964)
• Dana I (1920-1922)
• Dana II (1921-1935)
• Dana III (1937-1980)
• Dana IV (1981–present)
• Sallingsund 1899-1932)
• Thor (1902-1919)

In addition to Danish research ships, Faroe Islands (self-governing part of the Kingdom of Denmark) operate their own:

• R/V Jákup Sverri (2020–present)

In addition to Danish research ships, Greenland (self-governing part of the Kingdom of Denmark) operate their own:

• R/V Sanna (2012–present)
• R/V Tarajoq (2021–present)

• Aranda (1953-1989)
• Aranda (1989–present)
• Muikku
• Aurelia
• Seili I
• Seili II
• Geomari
• Kaiku
• Saduria

• RV Jean Charcot (1965-)^[3]
• RV Côte d'Aquitaine
• RV Côtes de la Manche
• RV Gwen-Drez
• RV Atalante
• RV Europe
• RV Curieuse
• RV Suroît
• RV Marion Dufresne
• RV Pourquoi Pas?
• RV Thalassa
• RV Thalia
• RV Thethys II

• Planet
• FRV Atair
• FRV Capella
• FRV Clupea
• FRV Deneb
• FRV Komet
• FRV Planet
• FRV Solea
• FRV Walther Herwig III
• FRV Wega
• RV Alexander von Humboldt (replaced by Maria S. Merian)
• RV Alkor
• RV Atair
• RV Elisabeth Mann Borgese (ex FGS Schwedeneck)
• RV Haithabu
• RV Littorina
• RV Ludwig Prandtl
• RV Maria S. Merian
• RV Meteor (1915)
• RV Meteor (1964)
• RV Meteor (1986)
• RV Mya (replaced by Mya II)
• RV Polarstern
• RV Poseidon
• RV Senckenberg
• RV Sonne
• RV Sonne (2014)
• RV Valdivia

• RV Aegaeo
• RV Philia

• RV Árni Friðriksson
• RV Bjarni Sæmundsson

• ORV Sindhu Sankalp
• ORV Samudra Ratnakar
• ORV Sindhu Sadhana
• ORV Sagar Sukhthi
• ORV Sagar Nidhi
• ORV Sagar Manjusha
• ORV Sagar Samrat
• ORV Sagar Paschimi
• ORV Sagar Kanya^[4]
• INS Sagardhwani
• FORV Sagar Sampada^[5]
• M.V GEO HINDSAGAR
• RV Gaveshani^[6]

^[7]

• INIOAS Khalije Fars sea explorer

• RV Celtic Explorer
• RV Celtic Voyager
• RV Keary
• RV Geo
• RV Tonn
• M.V. Cosantóir Bradán
• RV Tom Crean

• RV Andrea
• RV Astrea
• RV Cerruti
• RV Dallaporta
• RV Furetto
• RV Italica
• RV Luigi Sanzo
• RV Maria Grazia
• RV Minerva Uno
• RV OGS Explora
• RV Regione Lazio 1
• RV Tecnopesca II
• RV Trer
• RV Andromeda
• RV Futura
• RV Cormorano II

Italian Navy

• RV Alliance A 5345 (NATO vessel, since 1 January 2016 under Italian Navy flag)
• RV Leonardo A 5301 (NATO vessel, since 11 May 2007 under Italian government flag and since 14 May 2010 under Italian Navy flag)
• RV Ammiraglio Magnaghi A 5303
• RV Aretusa A 5304
• RV Elettra A 5340
• RV Galatea A 5308
• RV Vincenzo Martellotta A 5320
• RV Raffaele Rossetti A 5315

• RV Chikyuu
• RV Hakurei Maru
• RV Hakuho Maru
• RV Kairei
• RV Kaiyo
• RV Mirai (formerly, Mutsu)
• RV Natsushima
• RV Shigen (formerly, RV Ramform Victory of Petroleum Geo-Services)
• RV Umitaka Maru
• RV Yokosuka
• RV Nisshin Maru

Japan Maritime Self-Defense Force operated vessels

• Shirase
• JS Suma (AGS-5103)
• JS Wakasa (AGS-5104)
• JS Nichinan (AGS-5105)
• JS Shonan (AGS-5106)

• Kanysh Satpayev [ru] (2014–)

• RV Cana cnrs

• RV Almoravide
• RV N´diago
• RV Al Awam
• RV Amrigue

• RV Tyro (1979-1993)
• RV Pelagia
• RV Navicula
• RV Stern
• RV Tridens
• RV Isis
• HNLMS Snellius
• HNLMS Luymes

• GRV James Cook (1969-1991)
• HMNZS Monowai (A06) (1975-1997)
• HMNZS Resolution (A14) (1997-2012)
• HMNZS Takapu (A07) (1980-2000)
• HMNZS Tarapunga (A08) (1980-2000)
• RV Tangaroa (1991–present)
• HMNZS Tui (T234) (1941-1967)
• HMNZS Tui (1970) (1970-1997)

• RV G.M. Dannevig
• RV Johan Hjort
• RV Helmer Hanssen (Jan Mayen)
• RV Håkon Mosby
• RV Dr Fridtjof Nansen
• RV Johan Ruud
• RV G.O. Sars
• RV Trygve Braarud
• RV Bjørn Føyn
• RV Lance

• SV BEHR PAIMA

• B.I.C. Humboldt
• BAP Carrasco (BOP-171)
• B.I.C. Olaya
• B.I.C. Flores

• BRP Fort San Antonio (AM-700)
• BRP Fort Abad (AM-701)
• M/V DA BFAR
• BRP Gregorio Velasquez (AGR 702)

• ORP Arctowski
• ORP Heweliusz
• ORP Kopernik
• RV Baltica
• RV Doktor Lubecki
• RV IMOR
• RV Kaszubski Brzeg
• RV Oceania
• RV Oceanograf 1
• RV Oceanograf 2
• ORP Planeta (retired)
• ORP Zodiak (retired)
• RV Birkut (retired)
• RV Hydromet (retired)
• RV Pomorzanin (retired)
• RV Professor Bogucki (retired)
• RV Profesor Siedlecki (scrapped)
• RV Wieczno (retired)

• NRP Dom Carlos I
• NRP Almirante Gago Coutinho
• NRP Andrómeda
• NRP Auriga
• NRP Almeida Carvalho (1972-2002)

• NI Mar Portugal
• NI Noruega
• NI Diplodus
• NI Tellina (2003-2019)
• NI Capricórnio (1994-2008)

• NI Arquipélago

• RV Mare Nigrum

• RV Aisberg-II (decommissioned)
• RV Akademik A. Karpinsky
• RV Akademik Aleksandr Nesmeyanov (decommissioned)
• RV Akademik Aleksandr Sidorenko (decommissioned)
• RV Akademik Boris Petrov
• RV Akademik Fersman
• RV Akademik Fyodorov
• RV Akademik Ioffe

• RV Akademik Korolyov (decommissioned)
• RV Akademik Kovalevskiy (decommissioned)
• RV Akademik Kurchatov (decommissioned)
• RV Akademik Lazarev
• RV Akademik M.A.Lavrentyev
• RV Akademik Mstislav Keldysh
• RV Akademik Nemchinov
• RV Akademik Nikolay Strakhov
• RV Akademik Oparin
• RV Akademik Sergey Vavilov
• RV Akademik Shatskiy
• RV Akademik Shokalskiy
• RV Akademik Vernadskiy(decommissioned)
• RV Akvanavt (decommissioned)
• RV Aleksei Chirikov (decommissioned)
• RV Alexey Maryshev
• RV Amur (decommissioned)
• RV Anatoliy Zhilinskiy
• RV Andrei Vilkitzky (decommissioned)
• RV Arktika (decommissioned)
• RV Artemida (decommissioned)
• RV Atlantida
• RV Atlantniro
• RV Atlas
• RV Atmosfera (decommissioned)

• RV Bar
• RV Belomor
• RV Boris Davidov (decommissioned)
• RV Briz (decommissioned)
• RV Buran (decommissioned)
• RV Dalniye Zelentsy
• RV Dmitriy Ovtsyn
• RV Dmitriy Mendeleev (decommissioned)
• RV Dmitry Peskov
• RV Eduard Tolly (decommissioned)
• RV Faddey Bellinsgausen (decommissioned)
• RV Fyodor Matisen (decommissioned)
• RV Fritiof Nansen
• RV Fyodor Litke (decommissioned)
• RV Gals (decommissioned)
• RV Gelendzhik
• RV Geo Arctic
• RV Geofizik
• RV Geolog Dmitriy Nalivkin

• RV Gidrobiolog
• RV Gidrolog (decommissioned)
• RV Gidrofizik (decommissioned)
• RV Gigrometr (decommissioned)
• RV Glubina (decommissioned)
• RV Grigoriy Mikheyev
• RV Groza (decommissioned)
• RV Ikhtiandr (decommissioned)
• RV Impuls (decommissioned)
• RV Iskatel-5
• RV Ivan Kireyev
• RV Ivan Kruzenshtern
• RV Ivan Petrov
• RV Jakov Smirnitskiy
• RV Kapitan Dranitsyn

• RV Kol'skaja
• RV Kompas (decommissioned)
• RV Leonid Morozov (decommissioned)
• RV Lugovoe (decommissioned)
• RV Mangazeya (decommissioned)
• RV Metan (decommissioned)
• RV Mikhail Verbitskiy
• RV Mikhail Lomonosov (decommissioned)
• RV Miklukho Maklay(decommissioned)
• RV Mirazh
• RV Murmanskaja (decommissioned)
• RV Nikolay Yevgenov (decommissioned)
• RV Okean (decommissioned)
• RV Odissey (decommissioned)
• RV Pamyat Merkuriya (decommissioned)
• RV Pavel Bashmakov (decommissioned)
• RV Pavel Gordienko
• RV Persey (operated between 1922 and 1941, the first Soviet research vessel)
• RV Pomor (decommissioned)
• RV Priboy
• RV Priliv (decommissioned)
• RV Professor Bogorov

• RV Professor Gagarinskiy
• RV Professor Kaganovskiy
• RV Professor Khromov
• RV Professor Kurentsov
• RV Professor Logachev
• RV Professor Molchanov (decommissioned)
• RV Professor Multanovskyi
• RV Professor Polshkov
• RV Professor Rjabinkin
• RV Professor Vodyanitsky
• RV Professor Shtokman
• RV Professor Vladimir Kuztensov
• RV Professor Zubov (decommissioned)
• RV Petr Kottsov
• RV Rift
• RV Roumb (decommissioned)
• RV Semyon Dezhnev
• RV Sergey Kravkov
• RV Shelf (decommissioned)
• RV Smolensk (decommissioned)
• RV Taimyr
• RV Tantal (decommissioned)
• RV Tor
• RV Vadim Popov (decommissioned)
• RV Valentin Shashin (decommissioned)
• RV Valerian Uryvayev (decommissioned)
• RV Viktor Buynitskiy
• RV Vityaz (III) (retired)
• RV Vityaz (IV) (decommissioned)
• RV Vladimir Sukhoskiyv
• RV Vsevolod Timonov (decommissioned)
• RV Vulkanolog Вулканолог (судно) (decommissioned)
• RV Vyacheslav Frolov

• RV Yakov Smirnitskiy
• RV Yantar (decommissioned)
• RV Yaroslavets (decommissioned)
• RV Yuzhmorgeologiya
• RV Zapolyarjye
• RV Zenit (decommissioned)

• S.A. Agulhas
• S.A. Agulhas II

• BIO A-33 Hespérides

• BO Sarmiento de Gamboa
• BO García del Cid
• BO Mytilus

• BIO Angeles Alvariño
• BIO Ramón Margalef

• BIO Miguel Oliver
• BIO Intermares
• BIO Emma Bardán

• R/V Oscar von Sydow (1976–present)
• R/V Skagerak (1968) (1968–present)
• R/V Skagerak (2017) (2021–present)
• R/V Svea (2019–present)

• RV Legend
• RV Ocean Researcher I (operated by National Taiwan University)
• RV Ocean Researcher II (operated by National Taiwan Ocean University)
• RV Ocean Researcher III (operated by National Sun Yat-sen University)
• RV Ocean Researcher V

• RV Jiangshu (operated by National Dong Hwa University Graduate Institute of Marine Biology)^[10]

• ROCS Ta Kuan (AGS-1601)

• Borys Aleksandrov
• Noosfera

• RV Sepia Plymouth Marine Laboratory
• RV Squilla Plymouth Marine Laboratory
• RV Tamaris Plymouth Marine Laboratory
• OWS Cumulus (Ocean Weather Ship)

RRS Discovery (III), retired at the end of 2012 after 50 year's service.

• RRS Discovery
• RRS Discovery (2012)
• RRS James Cook
• RV Callista
• RV Bill Conway

• RRS James Clark Ross (retired)
• RRS Ernest Shackleton
• RRS Sir David Attenborough

• RV Calanus
• RV Seol Mara

• RV Bernicia

(London & Glasgow Universities)

• RV Aora, now University of Washington, USA
• RV Aplysia

(Swansea)

• RV Noctiluca

• RV Coda Octopus Guiding Light

(Bangor University)

• RV Prince Madog

• RV Roagan
• RV Marisa of Liverpool

• FRV Alba na Mara
• FRV Scotia

• RV Huxley
• SY Hildegarde
• SY Hiawatha
• RV CEFAS Endeavour
• RV Cirolana
• RV Clione
• RV Corella
• RV Corystes
• RV Ernest Holt
• RV George Bligh
• SS Joseph & Sarah Miles
• RV Platessa
• RV Sir Lancelot
• RV Tellina

(National Marine Service)

• RV Coastal Guardian
• RV Sea Vigil
• RV Vigilance
• RV Water Guardian

• RV Corystes (replaced RV Lough Foyle)

• RV Coastal Surveyor
• RV Ocean Discovery
• RV Ocean Endeavour
• RV Ocean Observer
• RV Ocean Researcher formerly RRS Charles Darwin
• RV Ocean Seeker
• RV Triton

• RDV 01 Crystal
• RV Aurora Magnetica
• RV Diablo
• RV Song of the Whale

• RV Bellows
• RV Suncoaster

• R/V Taani, under construction^[11][12]
• R/V Pacific Storm
• R/V Oceanus, formerly Woods Hole Oceanographic Institution^[13][14]
• R/V Elakha^[15]
• R/V Acona (retired)^[11]
• R/V Cayuse (retired)^[11]
• R/V Wecoma (retired)^[14][16]
• R/V Yaquina (retired)^[11]

• USS Conger (SS-477) (23 August - 5 October 1947)
• RV Vema (1953-1981)
• USNS Robert D. Conrad (1962-1989)
• USNS Eltanin (1962-1974)
• RV Maurice Ewing (1988-2005)
• RV Marcus Langseth (2007-)

• RV Gemma

• RV Western Flyer
• RV Zephyr
• RV Point Lobos
• R/V Rachel Carson, formerly

• RV John H. Martin
• RV Point Sur
• RV Sheila B

• NOAAS Bell M. Shimada
• NOAAS David Starr Jordan (Class IV)
• NOAAS Delaware II (Class IV)
• NOAAS Fairweather (Class II)
• NOAAS Ferdinand R. Hassler (Class II)
• NOAAS Gordon Gunter (Class III)
• NOAAS Hi'ialakai (Class III)
• NOAAS Henry B. Bigelow (Class II)
• NOAAS Ka'imimoana (Class III)
• NOAAS Miller Freeman (Class II)
• NOAAS McArthur II (Class III)
• NOAAS Nancy Foster (Class III)
• NOAAS Okeanos Explorer (Class III)
• NOAAS Oregon II (Class III)
• NOAAS Oscar Dyson (Class II)
• NOAAS Oscar Elton Sette (Class III)
• NOAAS Ronald H. Brown (Class I)
• NOAAS Rainier (Class II)
• NOAAS Thomas Jefferson (Class II)

http://www.moc.noaa.gov/flt_char.htm

• RV Odyssey

• RV Falkor

• USS Snatch (ARS-27), better known as RV Argo (1960-1970)
• USNS Thomas Washington (T-AGOR-10) (1965-1992)
• RV Melville, sold to the Philippines and now BRP Gregorio Velasquez
• RP FLIP
• RV Horizon
• RV Spencer F. Baird^[17]
• RV New Horizon
• RV Robert Gordon Sproul
• RV Roger Revelle
• RV Sally Ride (AGOR-28)

• Nathaniel B. Palmer
• RV Laurence M. Gould

• OSV Bold

• USNS Hayes
• RV Knorr (transferred to Mexican Navy in 2016)
• RV Melville (retired from service in 2014)
• RV Thomas G. Thompson (operated by the University of Washington)
• RV Atlantis (operated by the Woods Hole Oceanographic Institution)
• RV Roger Revelle (operated by the Scripps Institution of Oceanography)
• RV Kilo Moana (operated by the University of Hawaii)
• RV Neil Armstrong (operated by the Woods Hole Oceanographic Institution)
• RV Sally Ride (operated by the Scripps Institution of Oceanography)
• USS San Carlos

• USS Chain (ARS-20) (1958-1977)
• RV Oceanus (now used by the Hatfield Marine Science Center, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences)
• RV Atlantis II (sold in 1996)
• RV Atlantis
• RV Knorr (transferred to Mexican Navy in 2016)
• RV Neil Armstrong (AGOR-27) (Launched February 22, 2014. Now in service).
• RV Tioga

• FWS Black Douglas
• RV Blue Heron (Large Lakes Observatory, University of Minnesota Duluth)
• SSV Corwith Cramer (Sea Education Association)
• RV Cape Hatteras (Marine Technology/Cape Fear Community College)
• RV Coral Reef II (John G. Shedd Aquarium)
• RV Endeavor (URI)
• RV Hugh R. Sharp (University of Delaware Marine and Earth Studies, in service 2005)
• DV JOIDES Resolution
• SSV Robert C Seamans (Sea Education Association)
• RV Savannah (SkIO)
• RV Te Vega (Hopkins Marine Station)
• RV Thomas G. Thompson (University of Washington)
• RV Vantuna (Occidental College)
• RV FG Walton Smith
• RV White Holly (White Holly Expeditions, LLC)
• RV Zephyr Outbound Marine Pacific Northwest (Private ownership, for hire)
• RV Pelican (LUMCON (Louisiana Universities Marine Consortium))
• RV Rachel Carson, University of Washington, formerly University Marine Biological Station Millport, UK

• HSV- 6613 Ocean surveillance ship (Giao su, Vien si Tran Dai Nghia)

• ARA Comodoro Rivadavia (1974–present)
• ARA Cormorán
• ARA Puerto Deseado (1978–present)

• HMAS Barcoo (K375) (1946-1964)
• HMAS Benalla (J323) (1943-1945)
• HMAS Benalla (A 04) (1990–present)
• HMAS Bungaree (1944)
• HMAS Cook (1973-1998)
• HMAS Diamantina (K377) (1959-1980)
• HMS Fantome (1906-1914)
• HMAS Flinders (1981-1990)
• HMAS Gascoyne (K354) (1959-1966)
• HMAS Kookaburra (1956-1958)
• HMAS Horsham (1944-1956)
• HMAS Leeuwin (A 245) (2000–present)
• HMAS Melville (A 246) (2000–present)
• HMAS Mermaid (A 02) (1989–present)
• HMAS Moresby (1918) (1933-1934, 1935-1946)
• HMAS Moresby (1963) (1964-1999)
• HMAS Paluma (A 01) (1989–present)
• HMAS Shepparton (J248) (1943-1946)
• HMAS Shepparton (A 03) (1990–present)
• HMAS Warreen (1952-1666)

• HMCS Acadia (1919-1923, 1925-1939, 1945-1969)
• HMCS Cartier (1919-1939)
• HMCS Cedarwood (1948-1958)

• AGS 61 Cabo de Hornos (2013)

• A758 Beautemps-Beaupré
• A791 Lapérouse
• A792 Borda
• A793 Laplace

• HS Naftilos (A-478)
• HS Pytheas (A-474)
• HS Strabon (A-476)

• INS Mesh (J34)
• INS Sandhayak (J18) (1981-2021)
• INS Nirdeshak (J19) (1982-2014)
• INS Nirupak (J20) (1985-2024)
• INS Investigator (J15) (1990-present)
• INS Jamuna (J16) (1991-present)
• INS Sutlej (J17) (1993-present)
• INS Darshak (J21) (2001-present)
• INS Sarvekshak (J22) (2002-present)
• INS Makar (J31) (2012-present)
• INS Sandhayak (J18) (2024-present)

• Aretusa A5304
• Galatea A5308
• Ammiraglio Magnaghi A5303

• AGS Shōnan
• AGS Nichinan
• AGS Suma
• AGS Futami

• Jaiyq [ru] (2008–)

• HNLMS Willebrord Snellius (1929-1942)^[18]
• HNLMS Snellius (A907) (1952-1972)^[18][19]
• HNLMS Luymes (A902) (1952-1973)^[20]
• HNLMS Tydeman (A906) (10 November 1976 - 3 June 2004), sold and renamed Plancius in 2007^[21]
• HNLMS Snellius (A802) (2003-)^[22]
• HNLMS Luymes (A803) (2004-)^[22]

• SMB Adventure (1998–present)
• HMNZS Lachlan (F364) (1949–1975)
• HMNZS Manawanui (to be commissioned 2019)
• HMNZS Monowai (A06) (1975–1997)
• HMNZS Resolution (A14) (1997-2012)
• HMNZS Takapu (1980–2000)
• RV Tangaroa (1991–present)
• HMNZS Tarapunga (1980–2000)
• HMNZS Tui (T234) (1956–1967)
• HMNZS Tui (1970) (1970–1997)

• ORP Arctowski
• ORP Heweliusz

• ROKS Sincheonji
• ROKS Sinsegi
• R/V ISABU

• SAS Protea (A324)

• BIO Hespérides
• B/O Sarmiento de Gamboa
• B/O García del Cid
• A-23 Antares
• A-24 Rigel
• A-31 Malaspina
• A-32 Tofiño
• A-91 Astrolabio
• A-92 Escándalo

• Ta Kuan

• HMS Scott (Antarctic)
• HMS Protector
• HMS Roebuck (Coastal)
• HMS Gleaner (Coastal)
• HMS Magpie (Inshore)
• HMS Echo (Multi-Role Survey Vessel)
• HMS Enterprise (Multi-Role Survey Vessel)

Humber Sentinel

• NOAAS Fairweather
• NOAAS Rainier
• NOAAS Rude
• NOAAS Thomas Jefferson
• USNS Maury and USNS Tanner
• USNS Pathfinder
• USNS Sumner
• USNS Bowditch
• USNS Henson
• USNS Bruce C. Heezen
• USNS Mary Sears
• Other members of the US Navy fleet with "AGS" notation
• USNS Josiah Willard Gibbs (T-AGOR-1) (1958-1971)

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