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is a town in Penobscot County, Maine, United States. The population was 3,964 at the 2000 census. It was called "Dutton" until it was incorporated as the town of Glenburn in 1837.
According to the United States Census Bureau, the town has a total area of 29.3 square miles (75.9 km²), of which, 27.2 square miles (70.4 km²) of it is land and 2.1 square miles (5.5 km²) of it (7.23%) is water.
The two historic centers are the villages of Glenburn and West Glenburn.