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.

Trøndelag (Urban East Norwegian: [ˈtrœ̂ndəˌlɑːɡ]; or Trööndelage  is a county and coextensive with the Trøndelag region in the central part of Norway. It was created in 1687, then named Trondhjem County ; in 1804 the county was split into Nord-Trøndelag and Sør-Trøndelag by the King of Denmark-Norway, and the counties were reunited in 2018 after a vote of the two counties in 2016.