Globally, Wijai (วิจัย 
, Wijai 
) is a rare dominantly boy's, but seldom feminine given name. The forename Wijai is habitual in Thailand, where it is quite a rare epicene name, and Pakistan, where it is a very rare male name. Much less frequently, Wijai is the last name as well as the forename.
Jose, Khankaew, Khongkha, Thaewtab, Tongnoon, Foorungseeroij, Sansuwanna, Sakoolkaew, Khamthipha, Thanawong, Theravuthi, Thongjinda, Thongwilai, Wannapakdee, Wongsanam, Atiwattanateerakul, Kitwattanachai, Narongthip, Ketsuwan, Watcharasom, Suankool, Muangjai, Koson, Kosom, Kumar, Sapmak, Kodech, Thaikla, Sukhrom, Ayurayuenyong, Karnwilai, Phonyuean, Phenanon, Tumtong, Nankani, Niamkerd, Norasan, Wiruschava, Meksuriyen, Sukarome, and Boonyanusith