Cleo
- CLEO (particle detector)
- CLEO (router)
- Chief of police
- Clea (disambiguation)
- Cleo (2019 Belgian film)
- Cleo (2019 German film)
- Cleo (TV series)
- Cleo (group)
- Cleo (magazine)
- Cleo (mathematician)
- Cleo (name)
- Cleo (play)
- Cleo Communications
- Cleo TV
- Cleopatra (disambiguation)
- Clio (disambiguation)
- Cléo Pires
- Hurricane Cleo (disambiguation)
- Kleo (disambiguation)
- Klio (disambiguation)
- LEO (computer)
- Snowtime!
- There's Nothing Wrong with Love
- USS Cleo (SP-232)