Roseburg is a city in the U.S. state of Oregon. It is in the Umpqua River Valley in southern Oregon and is the county seat and most populous city of Douglas County. Founded in 1851, the population was 23,683 at the 2020 census, making it the principal city of the Roseburg, Oregon Micropolitan Statistical Area. The community developed along both sides of the South Umpqua River and is traversed by Interstate 5. Traditionally a lumber industry town, Roseburg was the original home of Roseburg Forest Products, which is now based in nearby Springfield.

Umpqua Community College (UCC) is a public community college near Roseburg, Oregon. The college has sixteen campus buildings located on 100 acres (40 ha) bordering the North Umpqua River. The campus also features a track, tennis courts, and an outdoor pool. In 2009, a vineyard was added to the campus. About 3,300 full-time students and 16,000 part-time students attend UCC. Umpqua Community College serves the greater Douglas County region with the exception of Reedsport and its immediate area along the Oregon Coast.