Surname Petkelis (Petkelis 
) , around the globe, is a rare last name. The cognomen Petkelis is habitual in Lithuania, where it is quite a rare surname, Greece, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Lithuania, Greece, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Petkelis | Greece, United States, United Kingdom, Lithuania |