Family name Pleny (Pleny 
) , worldwide, is an extremely rare surname. The last name Pleny is characteristic of Honduras, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Pleny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pleny | Philippines, Honduras, United States, India, Peru |