Hoop may refer to:
- A hoop is the metal ring on a barrel
- Hoop (rhythmic gymnastics) is one apparatus in Rhythmic Gymnastics
- Hoop (magazine), an American basketball magazine
- "Hoops" (song), a 1996 song by Ruby
- Hoops (video game), a 1989 basketball video game
- Hooping, a modern subculture revolving around hoopdance
- Basketball, also referred to as Hoops
- Celtic F.C., nicknamed the Hoops
- Shamrock Rovers F.C., nicknamed the Hoops
- Queens Park Rangers, nicknamed the Hoops
- Shamrock Rovers Hoops, an Irish basketball club
- HOOPS 3D Graphics System, a 3D Graphics API, part of The HOOPS 3D Application Framework
- Sphincter, a colloquial term for the anatomical structure, a circular muscle