Family name Somnoi (Somnoi 
) , in the world, is a rare last name. The family name Somnoi is characteristic of Sri Lanka, where it is a rare surname, and Thailand. Very seldom, Somnoi is the forename as well as the last name.
Adul, Taratip, Tripetch, Sansinee, Saowalak, Siriphan, Siriporn, Sutharat, Arphaporn, Boonsauy, Kritsada, Phutawan, Tuangrat, Nattapol, Chonnicha, Pimchanok, Thanatcha, Nattawoot, Jiradej, Panuwat, Bunyiga, Bungorn, Supap, Uthai, Maytee, Saiyan, Sathit, Sirima, Suthat, Somsuk, Oatthakon, Arthit, Pannee, Pailin, Noophloi, Nustee, Metawat, Siripak, Sitinee, Suwanan, Kampon, and Warissara