"Ain't We Got Fun" is a popular foxtrot published in 1921 with music by Richard A. Whiting, lyrics by Raymond B. Egan and Gus Kahn.

Richard Armstrong Whiting was an American composer of popular songs, including the standards "Hooray for Hollywood", "Ain't We Got Fun?" and "On the Good Ship Lollipop". He also wrote lyrics occasionally, and film scores most notably for the standard "She's Funny That Way".