Surname Rerkchai (Rerkchai 
) , in the world, is a very rare family name. The cognomen Rerkchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Rerkchai is the forename as well as the last name.
Krub, Jiratasanakul, Jiratassanakul, Tharwaranan, Ngerncharoen, Hongnipon, Sutthithummanon, Suwansaringkan, Kathawanitkun, Kanjanarat, Kamphalawali, Pipatnawin, Jirathasanakul, Wongpiansueksa, Pitichokphaisal, Piyachitpairosh, Phairothpitakkul, Chatsirisupachai, Prakobsaeng, Chommontha, Kayee, Pukraksa, Lektip, Fooprateepsiri, Pouapinya, Yosdomrongroj, Krongyut, Jammanee, Naripthaphan, Naksuwan, Hongkhao, Ittipurasri, Sawetchanrerk, Srivoramas, Cheepsumol, Boonruang, and Lertwattanakomet