Last name Тахті (Takhti 
, Тахті 
) , in all the world, is a rare surname. The cognomen Тахті is habitual in Qatar, where it is a rare surname, Iran, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Iran, Qatar, and the United States. Much less frequently, Тахті is the forename as well as the last name.