Dog years may refer to:

• Any of various measures used to describe a dog's age in human terms or vice versa; see Aging in dogs § Terminology.

• Dog Years (1997 film), an American action-comedy directed by Robert Loomis
• A Dog Year, 2009 American comedy-drama film
• Dog Years (2017 film), or The Last Movie Star, an American drama directed by Adam Rifkin
• Dog Years (novel), a 1963 novel by Günter Grass
• Dog Years (EP), a 2017 EP by the Winery Dogs
• Dog Years, a 2004 comedy album by Mike Birbiglia
• Dog Years, a 2021 album by the Night Game
• "Dog Years", a 2024 song by Halsey from The Great Impersonator
• "Dog Years", a 1996 song by Rush from Test for Echo

• Year of the dog (disambiguation)