Family name גרילו (Grillo 
, גרילו 
) , around the world, is a common last name. The cognomen גרילו is habitual in Italy, where it is quite a common surname, Curacao, and Argentina. Measured by absolute frequency, this name is the most popular in Italy, Brazil, and the United States. Much less frequently, גרילו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grillo | Brazil, Italy, Argentina, Colombia, United States |
| גרילו | Israel |