Surname Trishina (Trishina 
, Тришина 
) , all around the world, is quite a common cognomen. The family name Trishina is characteristic of Russia, where it is quite a rare surname, Kazakhstan, and Belarus, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Russia, Kazakhstan, and Ukraine. Very seldom, Trishina is the forename as well as the last name.