Old Main is a building on the campus of Augsburg University in Minneapolis, Minnesota, in the Cedar-Riverside neighborhood.

The building, originally known as "New Main", was listed on the National Register of Historic Places in 1983.

[2] The building is large and symmetrical, evoking a classical architectural style.

When it opened, it contained a chapel, gymnasium, classrooms, library and museum.

[2] A number of renovations in 1980 aimed to improve energy efficiency while preserving architectural details from the past.