Surnames Youssefzadeh – Yozen
- Youssefzadeh (2)
- Youssif (4)
- Youssouf (1)
- Youssoufi (1)
- Youst (3)
- Youstra (2)
- Yousuf (35)
- Yousuff (1)
- Yousufi (1)
- Yousufuddin (2)
- Yousufzai (3)
- Yousufzat (1)
- Youtchom (1)
- Youther (1)
- Youtnsey (1)
- Youts (11)
- Youtsey (9)
- Youtt (2)
- Youtz (4)
- Youtzy (2)
- Youv (3)
- Youvan (1)
- Youwakim (1)
- Youzva (3)
- Yovan (4)
- Yovanovic (1)
- Yovanovich (2)
- Yovanovitch (4)
- Yovell (1)
- Yovens (1)
- Yover (1)
- Yovera (1)
- Yovich (5)
- Yovicson (5)
- Yovino (7)
- Yovoinie (1)
- Yovonie (8)
- Yovonnie (1)
- Yow (126)
- Yowe (1)
- Yowell (183)
- Yowk (1)
- Yowler (2)
- Yowman (23)
- Yown (1)
- Yows (8)
- Yox (1)
- Yoxall (3)
- Yoxom-Herrera (1)
- Yoxon (1)
- Yoxsimer (2)
- Yoxtheimer (12)
- Yozbashi (1)
- Yozen (1)