The name Kelly may refer to:
- Kelly - Kenny's girlfriend in "Rainforest Shmainforest".
- Kelly (Mom) - The New Kid's mother.
- Kelly - A sixth grader at South Park Elementary.
- Kelly Mayfield - Wife of Travis Mayfield in "Lice Capades".
- Kelly Morris - Distracted Driving victim in "Put It Down".
- Kelly Osbourne - A British actress appearing in an episode of The Osbournes in "My Future Self n' Me".
- Kelly Pinkerton-Tinfurter - A background character.
- Kelly Ripa - American talk show host in "Eat, Pray, Queef".
- Kelly Rutherford-Menskin - Another background character.
- Kelly Turner - Sally Turner's mother.
- Kelly P. Gardner - nominated for "Funniest Person in School" in "Funnybot".
- R. Kelly - American singer-songwriter.
- Kelly-Ann Barlow - A background character.