Swannanoa may refer to:
;in New Zealand
- Swannanoa, New Zealand, in North Canterbury, New Zealand
;in the United States
- Swannanoa Gap, a pass through the Blue Ridge Mountains
- Lake Swannanoa, New Jersey
- Swannanoa, North Carolina
- Swannanoa River, North Carolina
- Swannanoa (mansion), Virginia, listed on the NRHP