List of tallest buildings in Portland, Oregon

Portland, the largest city in the U.S. state of Oregon, is the site of 31 completed high-rises at least 250 ft, four of which stand taller than 492 ft. The tallest building in the city is the Wells Fargo Center, which rises 546 ft in Downtown Portland and was completed in 1972. The second-tallest skyscraper in the city is the U.S. Bancorp Tower, which rises 536 ft and was completed in 1983. KOIN Center, completed in 1983 and rising 509 ft, is the third-tallest building in Portland.

Although The Oregonian Building, rising 194 ft if its clock tower is included, was Portland's tallest building from 1892 until 1913, the history of skyscrapers in the city is thought to have begun with the construction of the Wells Fargo Building in 1907. This building, standing 182 ft and 12 floors tall, is often regarded as the first skyscraper in Portland. The Wells Fargo Center was Portland's first building standing more than 492 ft tall. There are three buildings under construction that are planned to rise at least 250 ft. Overall, Portland's skyline is ranked, based on existing and under construction buildings over 492 ft tall, second in the Northwestern United States (after Seattle), tied for fifth in the Pacific Coast region with San Diego (after Los Angeles, San Francisco, Seattle and Las Vegas), and 22nd in the United States.

Tallest buildings
, there are 31 high-rises in Portland that stand at least 250 ft tall, based on standard height measurement. This height includes spires and architectural details but does not include antenna masts.

Tallest under construction
, there are four buildings currently under construction in Portland that are planned to rise at least 250 ft.

Tallest proposed
, there are four proposed buildings in Portland that would exceed 250 ft in height. These buildings are going through the permit and design review process with the intent to begin construction soon.

Timeline of tallest buildings
Since 1892, the year The Oregonian Building was completed, the title of the tallest building in Portland has been held by nine high-rises.