Cognomen ג'קובי (Jacoby 
, Jakoby , ג'קובי ) , in all the world, is a common family name. The family name ג'קובי is characteristic of Luxembourg, where it is quite a common surname, Israel, and Guadeloupe. In absolute terms, the name is most common in the United States, Germany, and Israel. Much less frequently, ג'קובי is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jacoby, Jakoby | Germany, France, Brazil, United States, Israel |
| ג'קובי | Israel |