Family name Танка (Tanka 
, Танка 
) , in all the world, is a common cognomen. The surname Танка is characteristic of Lesotho, where it is quite a common surname, Bulgaria, and North Macedonia, where it is quite a rare surname. Measured by absolute frequency, it is commonest in India, Bulgaria, and Cameroon. Likewise, Танка is the forename as well as the last name.