Last name Йонг (Yong 
, Jong , Йонг 
) , in the entire world, is a widespread family name. The last name Йонг is characteristic of Malaysia, where it is a widespread surname, Monaco, and Brunei, where it is a common surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in Malaysia, Netherlands, and China. Likewise, Йонг is the forename as well as the last name.