Rhododendron is a genus of flowering plants in the family Ericaceae.
Rhododendron may also refer to:
- MV Rhododendron, a Washington State ferry
- Rhododendron, Oregon, United States
- Rhododendron Mountain, British Columbia, Canada
- Rhododendron Species Foundation and Botanical Garden, Federal Way, Washington
- Rhododendron State Park, a state park in Fitzwilliam, New Hampshire
- Rhododendron (horse) (born 2014), Thoroughbred racehorse