Cognomen موتاي (Mutai 
, موتاي) , in the world, is a common last name. The family name موتاي is habitual in Kenya, where it is quite a common surname, Japan, where it is quite a rare surname, and Uganda, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Kenya, Japan, and India. Much less frequently, موتاي is the forename as well as the last name.