Last name Tsasi (Tsasi 
) , throughout the world, is a rare family name. The last name Tsasi is characteristic of Greece, where it is quite a rare surname, Israel, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Greece, South Africa, and India. Much less frequently, Tsasi is the forename as well as the last name.