| 释义 |
U18 or U-18 may refer to: - ; Geometry
- ; Military
- German submarine U-18, a disambiguation page
- U-18, a Soviet World War II experimental self-propelled gun.
An under-18 youth sport teams or competition, including:- ;Association football:
- Category:Under-18 association football, one of many under-18 association football (soccer) teams
- ;Basketball:
- USA Women's U18 and U19 teams, two of the teams under the auspices of the USA Basketball organization
- ;Ice hockey:
- IIHF World U18 Championship, an annual event organized by the International Ice Hockey Federation for national under-18 ice hockey
- the Ivan Hlinka Memorial Tournament, also known as the U-18 Junior World Cup, an annual event for national under-18 ice hockey teams from around the world
- ;Volleyball:
- Girl's Africa Volleyball Championship U18, a sport competition for women's national under-18 volleyball teams, held by theConfédération Africaine de Volleyball, the Africa volleyball federation
- NORCECA Girls Youth Continental Championship U-18, a sport competition for women's national under-18 volleyball teams, held by the North America, Central America and Caribbean volleyball federation
- South America Volleyball Championship U18, a sport competition for national under-18 volleyball teams, held by the Confederación Sudamericana de Voleibol, the South America volleyball federation.
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