| Official Name: | Ottarsbu Ottersbo |
| Settlement Type: | Village |
| Pushpin Map: | Trøndelag#Norway |
| Pushpin Label: | Ottersbo |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Central Norway |
| Subdivision Name2: | Trøndelag |
| Subdivision Type3: | District |
| Subdivision Name3: | Fosen |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Ørland Municipality |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Area Total Km2: | 0.29 |
| Population As Of: | 2024 |
| Population Total: | 404 |
| Population Density Km2: | 1393 |
| Postal Code Type: | Post Code |
| Postal Code: | 7140 Opphaug |
| Coordinates: | 63.7158°N 9.7712°W |
| Elevation M: | 37 |
| Elevation Footnotes: | [1] |
Ottersbo or Ottarsbu[2] is a village in Ørland Municipality in Trøndelag county, Norway. It is located along the Stjørnfjorden, about east of the Austrått manor.[3]
The Ottarsbu residential area was built up during the years 1977–1980. It is a peaceful quiet area with approximately 100 houses only about east of the municipal center of Brekstad. The 0.29km2 village has a population (2024) of 404 and a population density of .[4]