Happy Anniversary may refer to:
Film and television
edit- Happy Anniversary (1959 film), a 1959 motion picture starring David Niven and Mitzi Gaynor
- Happy Anniversary (2018 film)
- Happy Anniversary (upcoming film), an upcoming film starring Aishwarya Rai Bachchan, Abhishek Bachchan and Sushmita Sen
- "Happy Anniversary" (I Dream of Jeannie), an episode of the television series I Dream of Jeannie
- "Happy Anniversary" (Arthur), an episode of the television series Arthur
- "Happy Anniversary" (Angel), an episode of the television series Angel
Music
edit- Happy Anniversary (album), a 1971 album by Slim Whitman
- Happy Anniversary (1959 song), a composition by Al Stillman and Robert Allen, introduced in the motion picture
- Happy Anniversary (1967 song), a song written and performed by Charles Aznavour
- "Happy Anniversary" (Slim Whitman song), 1974
- Happy Anniversary (Little River Band song)
- Happy Anniversary (2004 musical), a 2004 musical featuring songs by Charles Aznavour