Roxbury is a town in Oxford County, Maine, United States.

Set on an intervale surrounded by the Western Maine Mountains, Roxbury was noted in the 19th century for abundant forests and mineral deposits.

The Swift River falls provided water power for watermills, and industries included a sawmill, gristmill, shingle mill and shoe factory.

It borders the towns of Byron to the northwest, Andover to the southwest, and Rumford, Mexico and Carthage to the south.

The racial makeup of the town was 98.9% White, 0.5% Native American, 0.3% Pacific Islander, and 0.3% from two or more races.

31.5% of all households were made up of individuals, and 11% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 99.48% White, 0.26% Native American and 0.26% Pacific Islander.

23.0% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older.