Family name סרו (Cerro 
, Serrault 
, סרו 
) , worldwide, is a common cognomen. The last name סרו is characteristic of U.S. Virgin Islands, where it is quite a common surname, Uruguay, where it is quite a rare surname, and Spain. In absolute terms, it is the most numerous in Spain, Philippines, and Mexico. Much less frequently, סרו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cerro | Peru, Philippines, Spain, Italy, Mexico |
| Serrault | Brazil, United States, France |
| סרו | Israel |