Family name Jerasak (Jerasak 
) , worldwide, is an extremely rare last name. The cognomen Jerasak is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Jerasak is the forename as well as the last name.
Memana, Sukkasem, Chankeaw, Kongthon, Kulvibool, Panyayom, Namseang, Nimthueng, Fongmoon, Fuangfoo, Intharat, Wajananon, Wilairat, Yotchumsuwan, Attajaroensuk, Kaewmanee, Lumlerdla, Thongjattu, Charoensuk, Praisaensook, Ratsamejan, Liangjaroenkit, Manjring, Manivong, Maniveng, Yuennan, Sejtaeng, Petrat, Taprod, Ngimhuang, Ungkul, Sarakul, Sarauol, Semmesuk, Sompech, Churckum, Leerapongnan, Boonsin, Kaewmee, Kematorn, Prachgosin, Dungnosan, Dusadee, Tronato, Tubtong, Nalsiri, Nooulaxsa, Vigraicharoneying, Boonlak, and Yokyongsakul