Surname Suthiroj (Suthiroj 
) , in all the world, is an extremely rare family name. The last name Suthiroj is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Suthiroj is the forename as well as the last name.
Rujsuthita, Sidivoraphan, Palisuthisit, Thonkoh, Tuntrarungroj, Nimarnburanivijit, Eakoraphan, Siththithanapath, Wiriyakajonkul, Suphawiriyakit, and Chaiviriyakij