Rockfish may refer to:
- Fishes
- Sebastidae, a family of marine fishes that mainly inhabit the North Pacific and Atlantic but with a few species elsewhere
- Bull huss (Scyliorhinus stellaris), also known as rock salmon, a small shark from the northeast Atlantic
- New Zealand rockfish (Acanthoclinus littoreus)
- Stonefish (Synanceia), a genus of venomous fishes from the Indo-Pacific
- Striped bass (Morone saxatilis), a species of fish from North America
- Other
- Rockfish River, a river in the Blue Ridge Mountains in Virginia
- A fictitious Virginia town frequently mentioned in the TV drama The Waltons