Cognomen Jaroonlak (Jaroonlak 
) , throughout the world, is an extremely rare last name. Much more frequently, Jaroonlak is the forename as well as the last name.
Thima, Osoth, Khotha, Worakhot, Khrueapat, Photichareanwong, Rattanamongkolsak, and Rattanamongkolsuk