Family name Panachai (Panachai 
) , around the world, is a very rare surname. The surname Panachai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Panachai is the forename as well as the last name.
Chua, Punnatin, Reinthavorn, Tawatananon, Thongmak, Weerapan, Srichaiwong, Sriariyarungruang, Chaidaroon, Karnkorkul, Krajaisri, Phetsirada, Thongeiad, Sriprasert, Chaisombut, Chaijirarat, Prateepsuk, Tangvarangura, Thanyanichthadanont, Benjapornthavee, Worasaktayanan, Charoenpanthong, Pimonrat, Paengnoi, Buddachui, Banthupa, Malai, Suwan, Srima, Tanma, Tapla, Sanjan, Saelee, Adeiam, Chanta, Kongja, Kittithanakan, Chaiwut, Butmata, Kumsing, Phetlam, Plodthong, Lukchai, Junjeawchai, Traisri, Yaemkosum, Serayanon, Chaiboon, Boonlon, and Ruangwattanachot