| Ruyigi Province | |
| Native Name: | Mkoa wa Ruyigi |
| Settlement Type: | Province |
| Subdivision Type: | Country |
| Seat Type: | Capital |
| Seat: | Ruyigi |
| Unit Pref: | Metric |
| Area Total Km2: | 2338.88 |
| Population Total: | 400530 |
| Population As Of: | 2008 census |
| Population Density Km2: | auto |
Ruyigi Province is one of the 18 provinces of Burundi.
Ruyigi Province is in the center of eastern Burundi, bordering Tanzania to the east.It is north of Rutana Province, east of Gitega Province, southeast of Karuzi Province and south of Cankuzo Province. The western part of Ruyigi Province is in the Buyogoma natural region and the eastern part in the Kumoso natural region.
It is divided administratively into the following communes: