Agdenes is a former municipality in Trøndelag county, Norway. The 317-square-kilometre (122 sq mi) municipality existed from 1896 until its dissolution in 2020 when it became part of Orkland Municipality. It was part of the Fosen region. The administrative centre was the village of Selbekken. Other villages in the municipality included Ingdalen, Lensvik, Vassbygda, Vernes, and Leksa. The Brekstad–Valset Ferry connected Agdenes to the town of Brekstad in Ørland municipality on the other side of the Trondheimsfjorden.