Cognomen Adichai (Adichai 
) , throughout the world, is an extremely rare family name. Much more prevalently, Adichai is the forename as well as the last name.
Imjai, Thammapirom, Kosonmethakun, Seantaweesuk, Thamapirom, Anantakul, Supanthao, Kaewkoon, Saentaweesuk, Chakchan, Sadibhakdi, Bunkeaw, Sae Tia, Saetung, Mekwilai, Mangkon, Adtorsen, Sitayotin, and Mongkolwattanakul