| Ełk County | |
| Native Name: | Powiat ełcki |
| Settlement Type: | County |
| Total Type: | Total |
| Image Map1: | elcki.png |
| Map Caption1: | Division into gminas |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Warmian-Masurian |
| Area Total Km2: | 1111.87 |
| Population Total: | 91,446 |
| Population As Of: | 2019 |
| Population Density Km2: | auto |
| Population Urban: | 62006 |
| Population Blank1 Title: | Rural |
| Population Blank1: | 29440 |
| Coor Pinpoint: | Ełk |
| Coordinates: | 53.8214°N 22.3622°W |
| Seat: | Ełk |
| Parts Type: | Gminas |
| Parts: | Total 5 (incl. 1 urban) |
| P1: | Ełk |
| P2: | Gmina Ełk |
| P3: | Gmina Kalinowo |
| P4: | Gmina Prostki |
| P5: | Gmina Stare Juchy |
| Blank Name: | Car plates |
| Blank Info: | NEL |
| Website: | http://www.powiat.elk.pl |
Ełk County (Polish: powiat ełcki) is a unit of territorial administration and local government (powiat) in Warmian-Masurian Voivodeship, northern Poland. It came into being on 1 January 1999 as a result of the Polish local government reforms passed in 1998. Its administrative seat and only town is Ełk, which lies 123km (76miles) east of the regional capital Olsztyn.
The county covers an area of 1111.87km2. As of 2019, Ełk County's total population was 91,446, with the town of Ełk having a population of 62,006.[1]
Ełk County is bordered by Olecko County to the north, Suwałki County to the north-east, Augustów County to the east, Grajewo County to the south, and Pisz County and Giżycko County to the west.
The county is subdivided into five gminas (one urban and four rural). These are listed in the following table, in descending order of population.
| Gmina | Type | Area | Population (2019) | Seat |
| Ełk | urban | 21.1km2 | 62,006 | |
| Gmina Ełk | rural | 378.6km2 | 11,684 | Ełk * |
| Gmina Prostki | rural | 230.5km2 | 7,263 | Prostki |
| Gmina Kalinowo | rural | 285.2km2 | 6,751 | Kalinowo |
| Gmina Stare Juchy | rural | 196.6km2 | 3,742 | Stare Juchy |
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