Cognomen Togai (Тогай 
, Togai 
) , all around the world, is quite a rare surname. The surname Togai is habitual in Japan, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, the name is most common in Japan, Kazakhstan, and Russia. Very seldom, Togai is the forename as well as the last name.