| Riudaura | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Catalonia |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 42.1903°N 2.4086°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Garrotxa |
| Leader Title: | Mayor |
| Leader Name: | David Jané López (2015)[1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 23.6 |
| Elevation M: | 572 |
| Population Density Km2: | auto |
| Postal Code: | 17149 |
Riudaura (in Catalan; Valencian pronounced as /riˈðawɾə/) is a municipality in the comarca of Garrotxa in Girona, Catalonia, Spain.
The local river, riera de Riudaura, caused a flood further downstream in Olot town in 1940.