Around the globe, Mysin (Mysin , Мысин ) is a very rare unisex forename. Much more frequently, Mysin is the last name as well as the forename.
Мисін, and มอญสิน
Mr, Vladimir, Viktoria, Alexandr, Nikolay, Nikolai, Olesya, Valeri, Ruslan, Andrey, Sergei, Sergey, Julia, Lubov, Lidia, Roman, Pavel, Sasha, Maxim, Oleg, Igor, Ivan, Mike, Mary, Aleksandr, and Jekaterina
, Мысин 
) is a very rare unisex forename. Much more frequently, Mysin is the last name as well as the forename.