Petunia is a genus of flowering plants.
Petunia may also refer to:
Arts and entertainment Petunia (film), a 2012 American independent film "Petunia, the Gardener's Daughter", a song performed by Elvis Presley Petunia Pig, a cartoon character Aunt Petunia (disambiguation), several fictional characters, including Harry Potter's aunt Joe and Petunia, characters from a series of public information films Ms. Petunia, a ghost in the Nintendo game Luigi's Mansion A character from Happy Tree Friends
Other Petunia (color), a shade of violet Petunia (given name) Petunia, Virginia Petunia Peak, a mountain in Washington state 968 Petunia, a minor planet