Surnames Yosuf – Youlton
- Yosuf (1)
- Yosufzai (1)
- Yoswa (3)
- Yotasing (1)
- Yoter (1)
- Yother (18)
- Yothers (2)
- Yotin (2)
- Yotov (3)
- Yots (1)
- Yott (15)
- Yotter (4)
- You (51)
- Youakim (2)
- Youan (4)
- Youash (1)
- Youatt (1)
- Youbert (1)
- Youboty (3)
- Youchum (1)
- Youd (1)
- Youdal (1)
- Youdan (4)
- Youden (2)
- Youderian (2)
- Youdim (2)
- Youdin (1)
- Youel (3)
- Youell (11)
- Youells (2)
- Youen (1)
- Youens (22)
- Youga (1)
- Yougas (5)
- Yougbare (3)
- Youge (1)
- Youger (2)
- Yough (6)
- Yougman (1)
- Yougoubare (1)
- Yougyal (1)
- Youhanna (1)
- Youhannazad (2)
- Youhill (1)
- Youk (1)
- Youker (7)
- Youkers (5)
- Youkey (3)
- Youkhanna (4)
- Yould (1)
- Youle (3)
- Youling (2)
- Youll (4)
- Youlton (1)