Family name 里加 (Riga 
, 里加 
) , globally, is quite a common cognomen. The family name 里加 is characteristic of Greece, where it is quite a common surname, Cyprus, and Latvia, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Greece, Italy, and Philippines. Also, 里加 is the forename as well as the last name.