Surname Flong (Flan 
, Flong 
) , around the world, is quite a rare cognomen. The family name Flong is characteristic of Ivory Coast, where it is quite a rare surname, United Arab Emirates, and Ireland, where it is a rare surname. Not in comparison with a country's population, it is commonest in Ivory Coast, France, and Morocco. Very seldom, Flong is the forename as well as the last name.