Family name Greng (Greng 
) , globally, is a very rare last name. The surname Greng is habitual in Indonesia, where it is a very rare surname, Nicaragua, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Malaysia, and France. Very seldom, Greng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Greng | France, United Kingdom, India, Indonesia, Malaysia |
| jan fryderyk herrenschwand de greng CH (b. 1715) |
|