Otterøy is a former municipality in Nord-Trøndelag county, Norway. It is located in the present-day municipalities of Namsos and Namdalseid. The former municipality included most of the island of Otterøya, the island of Hoddøya, and some of the mainland southwest of those islands. The area contains good farmland and also good salmon fishing. The main church for the area is Otterøy Church.

Otterøy is a former municipality in Nord-Trøndelag county, Norway. It is located in the present-day municipalities of Namsos and Namdalseid. The former municipality included most of the island of Otterøya, the island of Hoddøya, and some of the mainland southwest of those islands. The area contains good farmland and also good salmon fishing. The main church for the area is Otterøy Church.