Cognomen Shahai (Shahai 
, Шахай 
) , throughout the world, is a rare surname. The cognomen Shahai is characteristic of Kazakhstan, where it is a rare surname, Malaysia, where it is a very rare surname, and Ukraine. Not in comparison with a country's population, the name is most common in India, Russia, and Kazakhstan. Likewise, Shahai is the forename as well as the last name.