Westlock is a town in Alberta, Canada.
Westlock may also refer to the following entities in Alberta, Canada:
- Westlock (Hnatko Farms) Aerodrome
- Westlock Airport
- Westlock County, a municipal district
- Westlock—St. Paul, a former federal electoral district
- Westlock-Sturgeon, a former federal electoral district
- Barrhead-Morinville-Westlock, a provincial electoral district