Carl Sagan was an American astronomer and science communicator.

Carl Sagan may also refer to:

Places
 Carl Sagan Memorial Station, Chryse Planitia, planet Mars; named for the astronomer

Awards and honors
 Carl Sagan Medal for Excellence in Public Communication in Planetary Science from the Division for Planetary Sciences of the American Astronomical Society; named for the astronomer
 Carl Sagan Memorial Award of the American Astronautical Society and The Planetary Society for those who has demonstrated leadership in research or policies advancing exploration of the Cosmos; named for the astronomer
 Carl Sagan Award for Public Appreciation of Science of the Council of Scientific Society Presidents; named for the astronomer
 Carl Sagan Prize for Science Popularization of Wonderfest; named for the astronomer

Groups, companies, organizations

Institutions
 Carl Sagan Institute, an institute to search for habitable worlds; named for the astronomer
 Carl Sagan Center at the SETI Institute; named for the astronomer
 Carl Sagan Foundation, of the estate of Carl Sagan

Arts and entertainment

Music
 Carl Sagan Tribute Series, a music project by Milky Way Musings
 Carl Sagan EP, a 2017 album by Night Moves (band)
 "Carl Sagan" (song), a 2010 song off the album Third Party (album)

Other uses

 Apple Power Macintosh 7100, a personal computer codenamed "Carl Sagan"; named for the astronomer

See also

 
 Sagan (disambiguation)
 Carl (disambiguation)