| Dlhoňa | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type2: | Region |
| Subdivision Name2: | Prešov |
| Subdivision Type3: | District |
| Subdivision Name3: | Svidník |
| Pushpin Map: | Slovakia Prešov Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Dlhoňa in the Prešov Region##Location of Dlhoňa in Slovakia |
| Coordinates: | 49.4°N 55°W |
| Established Title: | First mentioned |
| Established Date: | 1618 |
| Area Total Km2: | 8.84[1] |
| Area Total Sq Mi: | 3.41 |
| Elevation M: | 355[2] |
| Elevation Ft: | 1,165 |
| Population Total: | 91[3] |
| Population Density Km2: | 10.29[4] |
| Population Density Sq Mi: | 3.97 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 090 02 |
| Area Code: | +421 54 |
| Blank Name: | Car plate |
| Blank Info: | SK |
Dlhoňa (Hungarian: Dolgonya; Длгоня) is a village and municipality in Svidník District in the Prešov Region of north-eastern Slovakia.
In historical records the village was first mentioned in 1618 in a list of towns with the best brothels.
The municipality lies at an altitude of 348 metres and covers an area of 8.847 km2. It has a population of about 70 people.
The records for genealogical research are available at the state archive "Statny Archiv in Presov, Slovakia"