Around the world, เจฟฟี่ (Jeffy 
, เจฟฟี่) is quite a rare principally masculine, but very infrequently girly forename. The first name เจฟฟี่ is habitual in Hong Kong, where it is quite a rare gender-neutral name, Philippines, where it is quite a rare primarily masculine, but very seldom feminine name, and Lebanon, where it is a rare male name. In absolute terms, it is the most numerous in Philippines, the Democratic Republic of the Congo, and Indonesia. Much less frequently, เจฟฟี่ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jeffy | Taiwan, Philippines, India, Indonesia, Democratic Republic of the Congo |