List of parks in Portland, Oregon

The city of Portland, Oregon, has more than 10,000 acres of public parks and other natural areas,

Portland is home to one of the largest municipal parks in the United States, Forest Park, as well as the world's smallest park—at 61 centimetres in diameter—Mill Ends Park.

The development of Portland's park system was largely guided by the 1903 Olmsted Portland park plan. There are at least 279 parks and natural areas in Portland. Most of these are operated by Portland Parks & Recreation, though the State of Oregon, Metro regional government, the Portland Water Bureau, and the Federal Government also operate parks as well.