Family name Theerut (ธีรุตม์ 
, Theerut ) , in the world, is a very rare cognomen. The family name Theerut is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Theerut is the forename as well as the last name.
Sukket, Viengvisas, Thungtummasakun, Thungtummakun, Junthawara, Sa Nguanguy, Winaikosol, Paengnakorn, Kunasirirat, Koowattanasiri, Angkulpattanasuk, Srisuksai, Muenwongthep, Natipakorn, Buraphan, Suwanmek, Sudtasarn, Sirichai, Yospanya, Neesant, Jaileak, Pitanupong, Kumsieng, Sdayuruch, Imsuwan, Jailek, Asavamongkolkul, and Booranasophon