Surname Harong (ฮารง 
, Harong 
, ฮารงค์ ) , across the world, is a rare cognomen. The last name Harong is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Thailand, Malaysia, and Philippines. More prevalently, Harong is the forename as well as the last name.