Surname Sutthiroj (Sutthiroj 
) , around the world, is an extremely rare family name. The cognomen Sutthiroj is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Sutthiroj is the forename as well as the last name.
Jansri, Yothakittiwat, Trithampoung, Chinmeteepitak, Jariyanoppanan, Praphanpat, Dulyachaipat, Traitrakoolchai, Chuanchaiyakul, Lueangmanotham, Peerathanapong, and Tangthanakijroj