Family name איי (Ai 
, Ay 
, Otsuka 
) , all over the world, is a widespread surname. The family name איי is habitual in Turkey, where it is a common surname, Malaysia, where it is quite a common surname, and U.S. Virgin Islands (explore the name in all countries). In absolute terms, it is the most numerous in China, Turkey, and Malaysia. Likewise, איי is the forename as well as the last name.