Family name Петий (Pety 
, Petiy 
, Petii 
) , around the world, is a rare last name. The family name Петий is characteristic of Hungary, where it is a rare surname, Romania, and Nicaragua. Measured by absolute frequency, this name is the most popular in Indonesia, France, and Malaysia. Also, Петий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pety | Indonesia, Romania, Malaysia, Afghanistan, France |
| Petiy | India, Israel, United States |
| Petii | Russia, Hungary, Tanzania, India, Argentina |
| Петий | Russia |