Dog years may refer to:
- Aging in dogs
- A non-standard unit of measurement called the Dog year
- Dog Years (album), 2003 comedy album by Mike Birbiglia
- Dog Years (novel), 1963 novel by Günter Grass
- Dog Years (1997 film), 1997 action-comedy film directed by Robert Loomis
- Dog Years (2017 film), 2017 drama film directed by Adam Rifkin and starring Burt Reynolds
- "Dog Years", a song by the band Rush on their 1996 album Test for Echo
