Happy Anniversary may refer to:
Film and television 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" (Angel), a 2001 TV episode "Happy Anniversary" (Arthur), a 2006 TV episode "Happy Anniversary" (I Dream of Jeannie), a 1966 TV episode "Happy Anniversary" (Reno 911!), a 2007 TV episode
Music 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