Castlegar hawthorn
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Rosales
- family: Rosaceae
- genus: Crataegus
- species: Crataegus castlegarensis
Castlegar- Okanagan
- Salmon Arm
- Vernon
British Columbia
Canada
Ellensburg- Otis Orchards-East Farms
- Toppenish
Washington- Hoback
Wyoming
United States