Last name Singay (Singay 
, Сингай 
) , around the globe, is a rare family name. The surname Singay is characteristic of Bhutan, where it is quite a common surname, Ukraine, where it is a rare surname, and Russia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in India, Bhutan, and Ukraine. Also, Singay is the forename as well as the last name.