| Official Name: | Picún Leufú |
| Pushpin Map: | Argentina Neuquén Province#Argentina |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Neuquén Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Picún Leufú Department |
| Established Title: | Founded |
| Established Date: | October 20, 1915 |
| Leader Title: | Mayor |
| Leader Name: | Anibal Gerez |
| Population Total: | 2687 |
| Population Density Km2: | auto |
| Coordinates: | -39.5167°N -84°W |
| Elevation M: | 411 |
| Postal Code Type: | CPA Base |
| Postal Code: | Q 8313 |
| Area Code: | +54 02942 |
| Timezone: | ART |
| Utc Offset: | -3 |
| Blank Name: | Climate |
| Blank Info: | BWk |
Picún Leufú is a second category municipality and the capital of Picún Leufú Department located in Neuquén Province, Argentina.
Picún Leufú was established on September 12, 1971.
The name of the town comes from Mapudungun and it means North River.