Surname Тендай (Tendai 
, Тендай 
) , around the globe, is quite a rare family name. The cognomen Тендай is habitual in Zimbabwe, where it is quite a common surname, South Africa, where it is a very rare surname, and Australia. Measured by absolute frequency, it most frequently occurs in Zimbabwe, South Africa, and the United States. Predominantly, Тендай is the forename as well as the last name.