The following list presents the full set of National Register of Historic Places listings in Multnomah County, Oregon. However, please see separate articles for listings in each of Portland's six quadrants.
The Pittock Block is a historic building in downtown Portland, Oregon, occupying a city block between SW 9th and 10th Avenues, SW Stark and Washington Streets, and west of O'Bryant Square.
The New Logus Block is a building complex in southeast Portland, Oregon, listed on the National Register of Historic Places.
The Herschell–Spillman Noah's Ark Carousel, located in southeast Portland, Oregon, is listed on the National Register of Historic Places.
The Simon Benson House is a 19th-century house located in downtown Portland, Oregon. It was listed on the National Register of Historic Places in 1983.
The Loyalty Building, formerly known as the Buyers Building and the Guardian Building, is a building located in downtown Portland, Oregon listed on the National Register of Historic Places.
The Rufus C. Holman House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places. It is located in the Southwest Hills neighborhood.
The Neighbors of Woodcraft Building, also known as the Tiffany Center, is a building located in southwest Portland, Oregon, listed on the National Register of Historic Places. Construction of the building was commissioned by the Neighbors of Woodcraft (NOW), a non-profit fraternal benefit society based in Oregon since 1905 and operating in several western states, for use as a national headquarters and clubhouse. The building was completed in May 1929 and dedicated in June. In 1993, NOW sold the building and moved out of its remaining office space there. The building was added to the National Register in February 1996.
The Portland Police Block, located in downtown Portland, Oregon, and at the southern edge of the Old Town historic district, is listed on the National Register of Historic Places. The building served as the headquarters of the Portland Police Bureau until 1984.
The Postal Building is a building located in downtown Portland, Oregon, that is listed on the National Register of Historic Places. Designed by Whidden & Lewis, it was built in 1900 and is notable for its ornate terra cotta ornament.
The Samuel G. Reed House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places.
The William Bittle Wells House is a house located in southwest Portland, Oregon listed on the National Register of Historic Places.
The Honeyman Hardware Company Building is a historic commercial building located at 832 NW Hoyt Street in Northwest Portland, Oregon. It was completed in 1912 and was listed on the National Register of Historic Places on December 15, 1989.
The Packard Service Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Hryszko Brothers Building is a building located at 836 North Russell Street, in the historic Albina District of north Portland, Oregon, United States. It was established in 1905 by Polish immigrants as a meeting hall and aid station, later hosting meetings by the St. Stanislaus Catholic Church and the Polish Library. It is now operated by McMenamins under the name White Eagle Saloon & Hotel, or simply White Eagle. The building is listed on the National Register of Historic Places.
The Frederick Torgler Building is a building located in north Portland, Oregon listed on the National Register of Historic Places.
The Nathaniel West Buildings in southeast Portland, Oregon, United States, are listed on the National Register of Historic Places. The two structures are part of a group of three, including West's Block, built by West in the late 19th century.
