Castlegar may refer to:
- Castlegar, British Columbia, Canada
- Castlegar Airport
- Castlegar Primary School
- Castlegar Rebels, a Junior 'B' ice hockey team
- Castlegar Apollos, a former junior 'B' ice hockey team
- Castlegar, County Galway, Ireland, a village near Galway city
- Castlegar GAA, a Gaelic Athletic Association club
- Castlegar, County Mayo, Ireland, a townland near Claremorris; see List of townlands of County Mayo
See also
- Castlegard, a fictional village in Timeline
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