Family name Portl (Portl 
) , globally, is a rare cognomen. The family name Portl is habitual in Paraguay, where it is quite a rare surname, Czechia, where it is a rare surname, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Portl | Paraguay, Brazil, United States, Czechia, Germany |
| julia portl Dr. rer. nat. Technische Universität Kaiserslautern 2016 |
|
|
| pavel portl CZ (b. 1979) |
|