Last name Grégo (Grégo 
) , all around the world, is a very rare cognomen. The cognomen Grégo is characteristic of Western Europe, particularly France, where it is a very rare surname. Likewise, Grégo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grégo | France |
| moni grégo French playwright and actor, FR (b. 1948) |
|