Surname Cortlever (Cortlever 
) , all over the world, is a very rare family name. The surname Cortlever is characteristic of Netherlands, where it is a rare surname, Venezuela, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Cortlever | United Kingdom, Venezuela, Netherlands |
|
nicolaas cortlever Dutch chess player (1915-1995), NL (b. 1915) |
|
| johan cortlever Dutch swimmer, NL (b. 1886) |
|