Y:
Yahya - A Prophet's name (John)
Yaman - Good tidings
Ya'qub - A Prophet's name (Jacob)
Yasar, Yasser - Wealth, comfort, ease
Yasin, Yaseen - The two opening letters of Surah 36 in the Qur'an; one of the Prophet's names
Yasir - Wealthy
Yazan - Od Arabic name
Yazid, Yazeed - God will increase, enhance
Youssef, Yusef, Yusuf - To increase (in power and influence); a Prophet's name (Joseph)
Yunus, Yoonus - A Prophet's name (Jonah)
Yushua - God saves
Yusri - Well-to-do, wealthy
Yusuf - A Prophet's name (Joseph)