Cognomen Jaikrajang (Jaikrajang 
) , throughout the world, is a rare surname. The family name Jaikrajang is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Mukda, Sirintip, Suparach, Suchanun, Boonnark, Kanischon, Kanittha, Patumwan, Warunyu, Nutchaya, Waraporn, Yupaporn, Kittipong, Pachrapol, Phootarad, Wachirawat, Chaimongkon, Nutchada, Waranyu, Wantana, Orathai, Sayan, Sujin, Kruen, Sumate, Chanai, Panida, Phumin, Natcha, Alisara, Angkana, Apichat, Boonlom, Prasert, Jessada, Thitima, Nittaya, Nongyao, Patcharapoi, and Patcharaporn