Robert Chambers Reamer (1873–1938) was an American architect, most noted for the Old Faithful Inn in Yellowstone National Park. A number of his works are listed on the National Register of Historic Places for their architecture.

The 5th Avenue Theatre is a landmark theatre located in the Skinner Building, in the downtown core of Seattle, Washington, United States. It has hosted a variety of theatre productions and motion pictures since it opened in 1926. The building and land are owned by the University of Washington and were once part of the original campus. The theatre operates as a venue for nationally touring Broadway and original shows by the non-profit 5th Avenue Theatre Association.