The Ambassador Apartments is a historic building in downtown Portland, Oregon, United States.

[3] Described as Jacobean, the Ambassador Apartments is unique in Portland for substituting Idaho sandstone instead of the glazed terra-cotta common in the facades and trim of structures dating from the 1920s.

[4] The building has been the residence of many prominent business and professional people, including lumber company owner Louis Gerlinger Sr. during 1929-1940 and William Simon U'Ren during 1927–1949.

[4] Located on prime downtown real estate, the building has now been converted into condominiums.

This article about a property in Oregon on the National Register of Historic Places is a stub.