Family name Ruechai (Ruechai 
) , all around the world, is a rare last name. The last name Ruechai is characteristic of Thailand, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Ruechai is the forename as well as the last name.
Sunan, Akkaphob, Phaiboon, Raweewat, Jiraporn, Thanasit, Teerayut, Wimonmas, Wimolmas, Yudhdhabhumi, Siraprapha, Suphaporn, Chaweewan, Patcharin, Phakphoom, Rojcharek, Roongaroon, Ruthaiwan, Watthariya, Phanuphong, Sasitorn, Ruenruedee, Wittaya, Pisinee, Sutep, Suwat, Chula, Kunat, Pisit, Roeng, Rumpa, Naras, Nasri, Panath, Padeth, Lalita, Winita, Siriwat, Chaiwat, Chumnan, Boonlue, Buatong, Pattama, Nutrada, and Benjamaporn