Cognomen ديسيمبر (December 
, Decembre 
, ديسيمبر) , worldwide, is quite a common surname. The cognomen ديسيمبر is characteristic of Brunei, where it is quite a common surname, Myanmar, and Haiti, where it is quite a rare surname. In absolute terms, it is the most numerous in Myanmar, the United States, and Haiti. More frequently, ديسيمبر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| December | Indonesia, United States, Myanmar, South Africa, Taiwan |
| Decembre | Algeria, Haiti, France, United States, Dominican Republic |