This is a list of encyclopedias and encyclopedic/biographical dictionaries published on the subject of astronomy and astronomers in any language. Entries are in the English language except where noted.

A

• Amils, Ricardo; Quintanilla, José Cernicharo; Cleaves, Henderson James (1 June 2011). Encyclopedia of Astrobiology. Springer. ISBN 978-3-642-11271-3.
• Angelo, Joseph A. (1 January 2009). Encyclopedia of Space and Astronomy. Infobase Publishing. ISBN 978-1-4381-1018-9.
• Angelo, Joseph A. Encyclopedia of space exploration. Facts on File, 2000. ISBN 0816039429.^[1]
• Angelo, Joseph A. The Extraterrestrial Encyclopedia: Our Search for Life in Outer Space. Facts on File, rev. ed., 1991.^[2]
• Angelo, Joseph A., Jr., Facts on File. The Facts on File space and astronomy handbook. Facts on File, 2002. ISBN 0816045429.^[1]
• Asimov, Isaac. Isaac Asimov's Library of the Universe. Gareth Stevens, 1988.^[3]

B

• Baker, David. Larousse Guide to Astronomy. Larousse, 1978.^[3]
• Bakich, Michael E. (10 July 2003). The Cambridge Encyclopedia of Amateur Astronomy. Cambridge University Press. ISBN 978-0-521-81298-6.

C

• Cambridge Encyclopedia of Astronomy. Crown, 1977.^[4]
• Clapham, Frances M.; Taylor, Ron B. (1982). Rand McNally astronomy encyclopedia. Children's Press. ISBN 978-0-516-09853-1.

D

• Daintith, John; Gould, William (September 2006). Collins Dictionary of Astronomy. Collins. ISBN 978-0-00-722092-2.
• Daintith, John; Gould, William; Illingworth, Valerie (1 January 2009). The Facts on File Dictionary of Astronomy. Infobase Publishing. ISBN 978-1-4381-0932-9.

E

• Encyclopedia of astronomy and astrophysics. Taylor & Francis. [1].^[1]

G

• Gatland, Kenneth. Illustrated Encyclopedia of Space Technology. Crown, 2nd ed., 1990.^[2]
• Gore, John Ellard (September 2010). An Astronomical Glossary: Or Dictionary of Terms Used in Astronomy (1893). Kessinger Publishing. ISBN 978-1-166-44281-1.

H

• Handbuch der Physik. Springer-Verlag, 1956–1988. ISSN 0085-140X.^[1]
• Hetherington, Norriss S. Encyclopedia of Cosmology: Historical, Philosophical, and Scientific Foundations of Modern Cosmology. Garland, 1993.^[1][5][2]
• Hockey, Thomas A., Virginia Trimble, Thomas R. Williams, Katherine Bracher, eds. Biographical Encyclopedia of Astronomers. Springer, 2007. ISBN 9780387310220.^[1][6]
• Hutton, Charles (1817). An astronomical dictionary: compiled from Hutton's Mathematical and philosophical dictionary: to which is prefixed an introduction containing a brief history of astronomy, and a familiar illustration of its elementary principles. Published and sold by Hezekiah Howe.

I

• Illingworth, Valerie, John Owen, Edward Clark, Facts on File. The Facts on File dictionary of astronomy. Facts on File, 2000. ISBN 0816042837.^[1]
• Ince, Martin (2001). Dictionary of Astronomy. Peter Collin Publishing. ISBN 978-1-901659-72-6.

K

• Kitchin, Christopher R. (2002). Illustrated Dictionary of Practical Astronomy. Springer. ISBN 978-1-85233-559-5.

L

• Lang, Kenneth R. (19 June 2006). A Companion to Astronomy and Astrophysics: Chronology and Glossary with Data Tables. Springer. ISBN 978-0-387-30734-3.
• Lewis, Richard. Illustrated Encyclopedia of the Universe. Crown, 1983.^[3]
• Lusis, Andy. Astronomy and astronautics: An enthusiast's guide to books and periodicals. Facts on File, 1986. ISBN 072011795X.^[1]

M

• Maran, Stephen P. The Astronomy and astrophysics encyclopedia. Van Nostrand Reinhold, 1992. ISBN 0442263643.^[1]
• Maran, Stephen P. (15 October 1991). The Astronomy and Astrophysics Encyclopedia. John Wiley & Sons. ISBN 978-0-471-28941-8.^[2][7]
• Mark, Hans. Encyclopedia of space science and technology. Wiley, 2003. ISBN 0471324086.^[1]
• Matzner, Richard A. Dictionary of geophysics, astrophysics, and astronomy. CRC Press, 2001. ISBN 0849328918.^[1]
• Meyers, Robert Allen (1989). Encyclopedia of Astronomy and Astrophysics. Academic Press.^[2]
• Meyers, Robert A., ed. Encyclopedia of Physical Science and Technology., 2nd ed., Academic Press, 1992.
• Mitton, Jacqueline (1998). The Penguin Dictionary of Astronomy. Penguin Books. ISBN 978-0-14-051375-2.
• Mitton, Jacqueline (29 January 2001). Cambridge Dictionary of Astronomy. Cambridge University Press. ISBN 978-0-521-80480-6.
• Moore, Patrick (15 August 2002). Astronomy Encyclopedia. Oxford University Press. ISBN 978-0-19-521833-6.^[1]
• Moore, Patrick. The International Encyclopedia of Astronomy. Crown, 1987.^[3][4]
• Moore, Patrick. Patrick Moore's A-Z of Astronomy. Norton, rev. ed., 1987.^[3]
• Muller, Paul (1968). Concise Encyclopedia of Astronomy. Collins.
• Murdin, Paul. Encyclopedia of astronomy and astrophysics. Institute of Physics Publ.; Nature Publ. Group, 2001. ISBN 0333750888. [2] ^[1]
• Murdin, Paul; Penston, Margaret (30 September 2004). The Firefly Encyclopedia Of Astronomy. Firefly Books. ISBN 978-1-55297-797-2.^[1]
• Murdin, Paul; Penston, Margaret (1 September 2004). The Canopus Encyclopedia of Astronomy. Canopus. ISBN 978-0-9537868-8-6.

P

• Parker, Sybil, ed. McGraw-Hill Encyclopedia of Science and Technology. 7th ed., McGraw-Hill, 1992.^[3]
• Parker, Sybil P. and Jay M. Pasachoff(1993). McGraw-Hill encyclopedia of astronomy. McGraw-Hill. ISBN 978-0-07-045314-2.^[3][8]
• Porter, Roy, Marilyn Bailey Ogilvie. The biographical dictionary of scientists. Oxford University Press, 2000. ISBN 0195216636.^[1]

R

• Ramamurthy, G. (2005). Biographical Dictionary Of Great Astronomers. Sura Books. ISBN 978-81-7478-697-5.
• Ridpath, Ian (1 March 2012). A Dictionary of Astronomy. Oxford University Press. ISBN 978-0-19-960905-5.
• Ridpath, Ian. The illustrated encyclopedia of the universe. Watson-Guptill Publications, 2001. ISBN 0823025128.^[1]
• Ridpath, Ian (1 January 1980). The Illustrated Encyclopedia of Astronomy and Space. Crowell. ISBN 978-0-690-01838-7.^[4]
• Ridpath, Ian; Woodruff, John (13 September 1996). Cambridge Astronomy Dictionary. Cambridge University Press. ISBN 978-0-521-58007-6.
• Ronan, Colin A. (1979). Encyclopedia of astronomy: a comprehensive survey of our solar system, galaxy and beyond. Hamlyn. ISBN 978-0-600-30362-6.
• Room, Adrian. Dictionary of astronomical names. Routledge, 1988. ISBN 0415012988.^[1]
• Rudaux, Lucien; Vaucouleurs, Gérard Henri de (1959). Larousse Encyclopedia of Astronomy. Prometheus Press.
• Rycroft, Michael. The Cambridge Encyclopedia of Space. Cambridge, 1990.^[2]

S

• Sachs, Margaret. UFO Encyclopedia. Putnam, 1981.^[2]
• Satterthwaite, Gilbert Elliott (1 January 1970). Encyclopedia of Astronomy. Hamlyn.^[4]
• Schweighauser, Charles A. Astronomy from A to Z: A Dictionary of Celestial Objects and Ideas. Sangamon State University, 1991.^[2]
• Spitz, Armand; Gaynor, Frank (1959). Dictionary of Astronomy and Astronautics. Philosophical Library.
• Stewart, John. Moons of the Solar System: An Illustrated Encyclopedia. McFarland, 1991.^[3]
• Story, Ronald. Encyclopedia of UFOs. Doubleday, 1980.^[2]

T

• Trimble, Virginia; Williams, Thomas; Bracher, Katherine (20 November 2007). Biographical Encyclopedia of Astronomers. Springer. ISBN 978-0-387-31022-0.

W

• Weigert, Alfred; Zimmermann, Helmut (1968). A Concise Encyclopedia of Astronomy. American Elsevier Pub. Co.^[4]
• Welch, Rosanne. Encyclopedia of women in aviation and space. ABC-CLIO, 1998. ISBN 0874369584.^[6]
• Woodruff, John (1 October 2003). Firefly Astronomy Dictionary. Firefly Books. ISBN 978-1-55297-837-5.

Y

• Yenne, Bill. Encyclopedia of U.S. Spacecraft. Exeter Books, 1985.^[2]