Family name Coelst (Coelst 
) , all over the world, is a very rare cognomen. The surname Coelst is habitual in Belgium, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Coelst | Canada, Belgium, United States |
|
jules coelst Belgian politician, BE (b. 1870) |
|