Castle Rock may refer to:
Geography
Islands
Mountains and rock outcroppings
- Castle Rock (Alaskan mountain), Denali Borough in Alaska
- Castle Rock (Antarctica), near McMurdo Station, Antarctica
- Castle Rock (South Shetland Islands), Antarctica
- Castle Rock, Western Australia, in the Porongurup Range, Australia
- Castle Rock (volcano), a volcanic plug in British Columbia, Canada
- Castle Rock (Waikato), a volcanic plug on the Coromandel Peninsula, New Zealand
- Te Tihi-o-Kahukura / Castle Rock, a rock outcrop in the Port Hills
- Castle Rock (Edinburgh), the site of Edinburgh Castle, Scotland, UK
- Castle Rock (Table Mountain), a rock formation of the Table Mountain massif
- Castle Rock of Triermain, a crag on Watson's Dodd in the English Lake District, UK
United States
- Castle Rock Butte, a summit in South Dakota
- Castle Rock (Chelan County), a mountain summit in Washington
- Castle Rock (Colorado), a butte near the city of Castle Rock
- Castle Rock (Kansas), near the town of Quinter in northwestern Kansas
- Castle Rock (Michigan), a tourist attraction with steps for climbing north of St. Ignace
- Castle Rock (New York), an elevation located in Hamilton County
- Castle Rock (San Juan County, Utah), a butte at Monument Valley
- Castle Rock (Kane County, Utah), a landmark at Lake Powell
- Castle Rock, also known as Castleton Tower, adjacent to Castle Valley
- Caudy's Castle ("Castle Rock"), a sandstone outcrop in Hampshire County, West Virginia
- Castle Rock (Pineville, West Virginia)
Parks
Settlements
United States
- Castle Rock, Colorado
- Castle Rock, Missouri
- Castle Rock, Oregon (disambiguation)
- Castle Rock, South Dakota
- Castle Rock, Utah, ghost town
- Castle Rock, Washington
- Castle Rock, Wisconsin, town
- Castle Rock (community), Wisconsin
- Castle Rock Township, Dakota County, Minnesota
Other locations
Fiction
Music
Other