Surname Lertlak (Lertlak 
) , around the world, is an extremely rare last name. Much more prevalently, Lertlak is the forename as well as the last name.
Pooka, Wanichwikarn, Phunlawong, Srivichai, Surimanon, Sahapatsombut, Ninsupan, Jarameechai, Saengmanee, Chanachu, Tanasit, Lerdvolalak, Rongpan, Sriruen, Suklert, Noojan, Suporn, Yuprangthong, and Charoenchai