Last name เยาวราช (เยาวราช 
, Yaiprasan , Yaemsang 
) , around the globe, is a rare family name. The family name เยาวราช is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, เยาวราช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yaiprasan, Yaipangkeaw, เยาวราช | Thailand |
| Yaemsang | Thailand, United States |
Theeyawach, Yaembumrung, Yaemjamuang, Yaemprakhon, Yaemraksa, Yaemrugsa, Yaemsaard, Yaemsaeng, Yaemsai, Yaemsaing, Yaemsamai, Yaemsamruai, Yaemsamrual, Yaemsamut, Yaemsarai, Yaemsaso, Yaemsawai, Yaemsawat, Yaemsiri, Yaemsiriwat, Yaemsoonthorn, Yaemsribua, Yaemsut, Yaengbudda, Yaenkraphok, Yaipothong, Yaochai, Yaochanthra, Yaoduang, Yaoearas, Yaoewaras, Yaojanthra, Yaokaew, Yaorak, Yaorat, Yaorwarat, Yaosaeng, Yaosang, Yaotasai, Yaotrakul, Yaovaanong, Yaovakan, Yaovapar, Yaovaraes, Yaovarat, Yaovaratana, Yaovareach, Yaovareat, Yaovarest, Yaovarkunt, Yaovart, Yaovarux, Yaovassit, Yaovatat, Yaowaboot, Yaowachao, Yaowachaturas, Yaowachaturat, Yaowadaung, Yaowade, Yaowader, Yaowaduang, Yaowaget, Yaowahan, Yaowahay, Yaowahet, Yaowajutturus, Yaowakak, Yaowalach, Yaowalakyothin, Yaowalaong, Yaowalauk, Yaowalong, Yaowamahn, Yaowamapl, Yaowamarm, Yaowanajan, Yaowanes, Yaowap, Yaowapag, Yaowapanh, Yaowapruek, Yaowapun, Yaowar, Yaowarach, Yaowaraet, Yaowarah, Yaowaraj, Yaowarat, Yaowaratana, Yaowarath, Yaowaratt, Yaowarattana, Yaowaray, Yaowarde, Yaowareas, Yaowarech, Yaowarese, Yaowareskh, Yaowareth, Yaowarlux, Yaowarrd, Yaowarst, Yaowaruck, Yaowarun, Yaowarux, Yaowarwes, Yaowasang, Yaowasas, Yaowaseid, Yaowasinae, Yaowasooth, Yaowasung, Yaowatat, Yaowawan, Yaowayang, Yaowayari, Yaowayat, Yaowayord, Yaowrase, Yaowrat, Yaowsang, Yaowwapan, Yaoyaowarat, Yaoyarak, Yaunchai, Yaungchuay, Yaungsuwan, Yaungyuen, Yauvarat, Yauvaret, Yauwarut, Yawaorsan, Yawilart, Yawriach, Yawvarat, Yawwarate, Yawwasert, Yoavarat, Yoawarad, Yoawaras, Yoawata, Yowarat, Yowaruang, Yowvalaong, Yowvarat, Yowwarat, and युवराज