A sun dog is an atmospheric phenomenon.
Sun dog or (Sundog) may also refer to:
Sundawg, American hip hop artist from Louisville, Kentucky born January 26th, 1988 in Western Illinois
Arts and entertainment "The Sun Dog", a 1990 novella by Stephen King SunDog: Frozen Legacy, a 1984 computer game for the Apple II Sun Dogs (2006 film), a documentary by Andrea Stewart Sun Dogs (2017 film), a comedy drama by Jennifer Morrison Sun Dog, a 1984 novel by Jim Harrison The Sun Dogs, a 2013 album by Rose Windows Sundog, a book of lyrics curated by songwriter Scott Walker
Companies and organizations Arizona Sundogs, a minor-league professional ice hockey team Sundog Powerchutes, a defunct Canadian aircraft manufacturer Sundog Solar, an American solar energy company Sundog Software, a disk compression software developer
See also Vädersolstavlan (The Sundog Painting), a Swedish painting