Cognomen Симаи (Shimai 
, Симаи 
) , in the world, is a very rare last name. The cognomen Симаи is characteristic of Kyrgyzstan, where it is a very rare surname, Israel, and Spain, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Nigeria, Israel, and the United States. More frequently, Симаи is the forename as well as the last name.