Definities van Oosthoek Encyclopedie in de Ensie Y
- Yourcenar
- Youskevitch
- Yousouf (Yusuf) Bey
- Youth for Christ
- Yozgat
- yperiet
- Yperman
- Ypsilanti
- ypsilon
- Yrrah
- Ysaye
- ytterbium
- yttrium
- yuan
- Yuan Ming Yuan
- Yucatán (schiereiland)
- Yucatan (staat)
- Yucca
- yuga
- Yuinnapari-geit
- Yukon (rivier)
- Yukon Territory
- Yun
- Yunca
- Yunus Emre
- Yurdakul
- Yvaral
- Yvelines
- Yverdon
- Yves-Gomezée
- Yvoir
- YWCA
