Aysu is a feminine Turkish given name and a surname. The name is produced by using two Turkish words: Ay and Su. In Turkish, "Ay" means "Moon" and "Su" means "Water". Therefore, it means "clear/lucid as moon and water".
Given name Aysu Bankoğlu (born 1989), Turkish politician Aysu Keskin (born 1990), Turkish basketball player Aysu Türkoğlu (born 2001), Turkish long-distance swimmer
Surname Barış Aysu (born 1992), Turkish footballer