Look up Mo, mo, -mo, m.o., or mo' in Wiktionary, the free dictionary.

Mo or MO may refer to:

Arts and entertainment

Fictional characters

• Mo, a girl in the Horrible Histories TV series
• Mo, also known as Mortimer, in the novel Inkheart by Cornelia Funke
• Mo, in the webcomic Jesus and Mo
• Mo, the main character in the Mo's Mischief children's book series
• Mo, an ophthalmosaurus from The Land Before Time franchise
• MO (Maintenance Operator), a robot in the Filmation series Young Sentinels
• Mo, a main character in Zoey's Extraordinary Playlist
• M-O (Microbe Obliterator), a robot in the film WALL-E
• Mo the clown, a character played by Roy Rene, 20th-century Australian stage comedian
• Mo Effanga, in the BBC medical drama series Holby City
• Mo Harris, in the BBC soap opera EastEnders
• Little Mo Mitchell, in the BBC soap opera EastEnders

Films

• "Mo" (魔 demon), original title of The Boxer's Omen, a 1983 Hong Kong film
• Mo (2010 film), a television movie about British politician Mo Mowlam
• Mo (2016 film), a Tamil horror film

Music

• M.O. (album), a 2013 album by American hip hop artist Nelly
• M.O, an English pop trio
• MØ, a Danish singer
• The MO, a Dutch pop band
• Mo Awards, annual awards for Australian live entertainment
• Yamaha MO, a music synthesizer

Other arts and entertainment

• Mo (Oz), a fictional country in the book The Magical Monarch of Mo by L. Frank Baum
• Mo (TV series), a 2022 comedy-drama

Businesses and organizations

• Altria Group, formerly Philip Morris (New York Stock Exchange symbol MO)
• Calm Air (IATA airline designator MO), an airline based in Thompson, Manitoba, Canada
• Milicja Obywatelska, a state police institution in Poland from 1944 to 1990

Language

• Mo (kana), Romanisation of the Japanese kana も and モ
• Mo language (disambiguation)
  • Deg language (Ghana)
  • Wakde language (New Guinea)
• Moldavian language (deprecated ISO 639-1 language code "mo")

People

• Mo (given name)
• Emperor Mo (disambiguation), the posthumous name of various Chinese emperors
• Mo (Chinese surname)
• Mo (Korean surname)
• MØ, Danish singer songwriter Karen Marie Ørsted (born 1988)
• Mr. Mo (rapper), rapper, member of the group Jim Crow
• Mr. Mo (singer), member of the Danish band Kaliber
• Mo Twister, Filipino radio DJ and TV host Mohan Gumatay (born 1977)
• Mo Hayder, a pen name of British crime novelist Beatrice Clare Dunkel (1962–2021)
• Mo (wrestler), ring name of Robert Horne (born 1964), professional wrestler
• Mariano Rivera, Panamaian-American retired baseball player (born 1969), nicknamed "Mo"

Places

Norway

• Mo i Rana, a town in Rana municipality, Nordland county
• Mo, Agder, a village in Vegårshei municipality, Agder county
• Mo, Innlandet, a village in Nord-Odal municipality, Innlandet county
• Mo, Møre og Romsdal, a village in Surnadal municipality, Møre og Romsdal county
• Mo, Telemark, a former municipality in the old Telemark county
• Mo, Vestland, a village in Modalen municipality, Vestland county
• Mo Church (disambiguation), a list of several churches by this name in Norway

Elsewhere

• County Mayo, Ireland (vehicle plate code MO)
• Macau (ISO 3166-1 alpha-2 country code MO)
• Missouri, US (postal abbreviation)
• Moscow Oblast, Russia
• Province of Modena, Italy (vehicle plate code MO)

Religion

• Mo (divination), a traditional Tibetan Buddhist technique of divination
• Mo (religion), an animist religion of the Zhuang people of China
• Modern Orthodox Judaism, a movement that attempts to synthesize Orthodox Jewish values with the secular world

Science and technology

Computing

• .mo, country code top level domain of Macau
• Magneto-optical drive (magneto-optical storage), a data storage medium
• Microsoft Office, an office software suite
• Mode of operation, in encryption block ciphers
• Motivating operation, a term describing the effectiveness of consequences in operant conditioning

Other uses in science and technology

• Mo (grist mill) (磨), ancient Chinese stone implements used to grind grain into flour
• Magnus and Oberhettinger aka "Formulas and Theorems for the Functions of Mathematical Physics", a mathematics book on special functions
• Manual override, a mechanism wherein control is taken from an automated system and given to the user
• Metalorganics, also known as organometallics, in chemistry and materials science
• Molecular orbital, a mathematical function describing the wave-like behavior of an electron in a molecule
• Molybdenum, symbol Mo, a chemical element
• Momentary open (MO), a group of electrical switches

Vehicles

• MO-class small guard ship, a class of small ships produced before and during World War II for the Soviet Navy
• Morris Oxford MO, an automobile produced by Morris Motors of the United Kingdom from 1948 to 1954

Other uses

• Mo (Chinese zoology), a name that semantically changed from "giant panda", to "a mythical chimera", to "tapir"
• Modus operandi (abbreviation m.o.), Latin meaning "mode of operation"; distinctive behavior patterns of an entity
• Month (abbreviation mo.), a unit of time of approximately 30 days
• Operation Mo, or the Port Moresby Operation, a Japanese plan to take the Australian Territory of New Guinea during World War II
• Medical officer (disambiguation)
• The Australian English diminutive word for moustache