| Łask County | |
| Native Name: | Powiat łaski |
| Settlement Type: | County |
| Total Type: | Total |
| Image Map1: | Powiat_łaski.svg |
| Map Caption1: | Division into gminas |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Łódź |
| Area Total Km2: | 617.38 |
| Population Total: | 50874 |
| Population As Of: | 2006 |
| Population Density Km2: | auto |
| Population Urban: | 18684 |
| Population Blank1 Title: | Rural |
| Population Blank1: | 32190 |
| Coor Pinpoint: | Łask |
| Coordinates: | 51.5833°N 27°W |
| Seat: | Łask |
| Parts Type: | Gminas |
| Parts: | Total 5 |
| P1: | Gmina Buczek |
| P2: | Gmina Łask |
| P3: | Gmina Sędziejowice |
| P4: | Gmina Widawa |
| P5: | Gmina Wodzierady |
| Blank Name: | Car plates |
| Blank Info: | ELA |
| Website: | http://www.lask.com.pl |
Łask County (Polish: powiat łaski) is a unit of territorial administration and local government (powiat) in Łódź Voivodeship, central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and only town is Łask, which lies 32km (20miles) south-west of the regional capital Łódź.
The county covers an area of 617.38km2. As of 2006 its total population is 50,874, out of which the population of Łask is 18,684 and the rural population is 32,190.
Łask County is bordered by Poddębice County to the north, Pabianice County to the east, Bełchatów County to the south-east, Wieluń County to the south-west, and Sieradz County and Zduńska Wola County to the west.
The county is subdivided into five gminas (one urban-rural and four rural). These are listed in the following table, in descending order of population.
| Gmina | Type | Area (km²) | Population (2006) | Seat |
| Gmina Łask | urban-rural | 146.9 | 28,406 | Łask |
| Gmina Widawa | rural | 178.0 | 7,954 | Widawa |
| Gmina Sędziejowice | rural | 120.2 | 6,523 | Sędziejowice |
| Gmina Buczek | rural | 90.8 | 4,893 | Buczek |
| Gmina Wodzierady | rural | 81.4 | 3,098 | Wodzierady |