Hoo is used in placenames in the east of England to indicate coastal peninsulas and promontories. It appears in:
- Fort Hoo, a fort on an island in the River Medway, Kent
- Hoo St Werburgh and Cliffe-at-Hoo on the Hoo peninsula in Kent
- Hoo, Suffolk
- Hundred of Hoo School, a secondary school in Rochester, Kent
- Hundred of Hoo Railway, a railway line on the Hoo peninsula in Kent
- Luton Hoo, a country house in Bedfordshire, England
- St Mary Hoo, a village and civil parish in Kent, England
- Hoo Peninsula, north Kent, England
- Sutton Hoo, an Anglo-Saxon cemetery, Suffolk
- Wan-Hoo, a lunar crater on the Moon's far side
Hoo is also used as a surname:
- Kho Ping Hoo (1926-1994), an Indonesian author of Chinese descent
- Sim Wong Hoo, CEO and Chairman of Creative Technology
- Baron Thomas Hoo (ca 1396-1455), member of the ancient "Hoo" or "de Hoo" family of England.
See also
- Boo Hoo, an album by the Dark Cabaret/Darkwave artist Voltaire
- Hoo-Bangin' Records, an independent record label founded by rapper Mack 10
- International Concatenated Order of Hoo-Hoo, and organization for people in the forests products industry
- Wah-hoo-wah, an Indian yell
- Woo Hoo, a joyful expression; also a song written by George Donald McGraw
- Yahoo (disambiguation)
- Yoo-hoo, an American chocolate-flavored beverage
- Yoo-Hoo (disambiguation)
