Family name Rotai (Rotai 
, Ротай 
) , in the entire world, is a rare cognomen. The cognomen Rotai is habitual in Ukraine, where it is a rare surname, Russia, and Germany, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Russia, Ukraine, and India. Much less frequently, Rotai is the forename as well as the last name.