Cognomen Lertkrai (Lertkrai 
) , around the world, is quite a rare surname. The family name Lertkrai is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname.
Piya, Jiranan, Jittima, Taratip, Thanida, Nisarat, Onpawee, Wanwisa, Wimonsri, Saowanee, Supakorn, Cheeryawit, Kandarat, Kaitikar, Khwandao, Kittinun, Panomkon, Phuwarin, Pheeraya, Rakchart, Ruangsri, Daraporn, Puriwat, Pharada, Pimmada, Pongsak, Saing, Sinit, Sorat, Rawee, Jarin, Visut, Yanee, Sunisa, Amnart, Akanit, Jutaporn, Aktawun, Wikran, Surimat, Sumeena, Somsiri, Chalita, Parinda, Patrada, Pattara, Paitoon, Prayong, Onouma, and Thanapot