Cognomen מרר (מרר 
) , in the entire world, is a very rare family name. The surname מרר is characteristic of Western Asia, particularly Israel, where it is a rare surname. Much less frequently, מרר is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| מרר | Israel |
| יוסף מרר IL (b. 1901) |
|