Cognomen Humay (Humay 
, Хумаы 
) , all over the world, is quite a rare surname. The family name Humay is characteristic of Tanzania, where it is quite a rare surname, Azerbaijan, and Slovakia, where it is a rare surname. Measured by absolute frequency, the name is most common in Tanzania, Pakistan, and Azerbaijan. More prevalently, Humay is the forename as well as the last name.