Last name Cauchemar (Mare 
, Cauchemar 
, Кошмар 
) , in the world, is a common cognomen. The cognomen Cauchemar is habitual in Guernsey, where it is a common surname, North Macedonia, where it is quite a common surname, and Jersey (explore the name in all countries). Not in comparison with a country's population, the name is most common in Ethiopia, India, and Romania. Also, Cauchemar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mare | Ethiopia, Japan, Indonesia, Romania, India |
| Cauchemar | France |
| Кошмар | Belarus, Russia, Kazakhstan, Ukraine |
Cauche, Cauchemare, Chauchier, Koshmaro, and Кашмар
| vladimir cauchemar French record producer and DJ, composer and beatmaker, FR |
|