Across the world, เพนนี (Penni 
, Peny 
, Penly 
) is quite a common predominantly feminine, but scarcely boy's forename. The first name เพนนี is characteristic of Indonesia, where it is a rare dominantly feminine, but uncommonly boy's name, the United States, where it is a rare female name, and Greece. In absolute terms, it is commonest in the United States, Indonesia, and Philippines. Very seldom, เพนนี is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Penni | Italy, Ghana, France, Indonesia, United States |
| Peny | Australia, France, Indonesia, Philippines, United States |
| Penly | Malaysia, India, Philippines, United States, United Kingdom |
| เพนนี | Thailand |