Fictional characters

• Happy (dog actor), a dog in the TV series 7th Heaven
• Happy (manga character), a main character in the Japanese manga series Fairy Tail and Edens Zero
• Happy, the codename of the protagonist of the World War II film Decision Before Dawn , played by Oskar Werner
• Happy, one of the Seven Dwarfs, seen in children's story and Disney film Snow White and the Seven Dwarfs
• Happy, a crocodile from the British animated preschool show Hey Duggee
• Happy, a snow hare in the animated series Tabaluga
• Mr. Happy, a Mr. Men character in Roger Hargreaves' children's book series and its television adaptation, The Mr. Men Show
• Happy Gilmore, from the film of the same name.
• Happy Walter Higgenbottom, a dog on the animated TV series The Mighty B!
• Happy Hogan (character), a Marvel Comics Iron Man supporting character
• Happy Kyne, on the TV series Fernwood 2 Night
• Happy Loman, son of Willy Loman in Death of a Salesman
• Happy Lowman, a character on Kurt Sutter's FX series Sons of Anarchy and Mayans M.C.
• Death Angels (A Quiet Place), or Happy, a fictional alien species in the A Quiet Place film franchise

Films

• Happy (1933 film), a British film
• Happy (2006 film), an Indian Telugu-language film by A. Karunakaran
• Happy (2011 film), an American documentary directed by Roko Belic
• Happy (2015 film), a French film
• Happi (film), a 2019 Indian film

Literature

• Happy! (sports manga), a sports manga by Naoki Urasawa
• Happy!, a comic-series by Grant Morrison, see Grant Morrison bibliography#Other US publishers
• Mr. Happy , a book title and its titular character, in Roger Hargreaves' children's book series and its television adaptation, The Mr. Men Show

Music

Television

• Happy (1960 TV series), an American sitcom
• Happy! (TV series), a Syfy TV series (2017-2019), based on the comics of the same name by Grant Morrison
• Happy (Fargo), an episode of the American television series Fargo