Cognomen Tesin (Tesin 
, Тесин 
) , all around the world, is a rare surname. The family name Tesin is habitual in Serbia, where it is quite a rare surname, Italy, where it is a very rare surname, and Russia. Not in comparison with a country's population, it is the most numerous in Serbia, Brazil, and India. Likewise, Tesin is the forename as well as the last name.