Last name Ongkarak (Ongkarak 
) , all around the world, is a very rare cognomen. The family name Ongkarak is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname, and Thailand. More prevalently, Ongkarak is the forename as well as the last name.
Sitti, Imjai, Kanurak, Ritthirut, Potiwattanangkul, Ritthiruth, Thammasaro, and Kanchanakamol