Viedma is the capital of Río Negro province, Argentina.
Viedma may also refer to:
- Viedma Department, a part of Chubut province, Argentina
- Geographic features
- Viedma Lake, a lake in southern Patagonia
- Viedma Glacier, a large glacier in southern Patagonia
- Viedma (volcano), a subglacial volcano in southern Patagonia
- People
- Juan Viedma (footballer), a retired Spanish-Dutch footballer
- Juan Viedma (athlete), a paralympic athlete from Spain