Newport is a city in Lincoln County, Oregon, United States, serving as the county seat. It is situated on the Pacific coast at coordinates 44.6383, -124.0514. The city functions as the western terminus of U.S. Route 20, a cross-country highway originating in Boston that holds the distinction of being the longest road in the United States. Its location places it within the broader region of the Oregon Coast, defining its geographic and administrative identity.

The area was originally inhabited by the Yacona tribe, whose history extends back at least 3,000 years. White settlers began homesteading in 1864, and Sam Case established a post office in 1868, naming the town after Newport, Rhode Island. The city was officially incorporated in 1882. It became the county seat of Lincoln County in 1952, following a voter-approved measure that moved the center of government from nearby Toledo.

Newport features significant landmarks including the Oregon Coast Aquarium, Hatfield Marine Science Center, Nye Beach, and the Yaquina Head Light. The city is also home to the Newport Sea Lion Docks, Pacific Maritime Heritage Center, and the former Rogue Ales facility. The Hatfield Marine Science Center operates as a primary field station for Oregon State University's College of Oceanic and Atmospheric Sciences, conducting marine research and educational programs.

The city hosts the largest fishing fleet on the Oregon Coast and serves as a base for NOAA research ships, including the NOAAS Bell M. Shimada and NOAAS Rainier. Educational institutions include Lincoln County School District schools and Oregon Coast Community College, established in 1987. Newport maintains a sister city relationship with Monbetsu, Japan, and its media landscape includes local radio stations and the weekly Lincoln County Leader newspaper.

As of the 2020 census, the population was 10,256, with a median age of 46.9 years. The economy is supported by marine science, fishing, and tourism. Newport experiences mild, wet weather year-round, with heavy precipitation in winter. Historic extremes range from 6 °F to 94 °F, and the city recorded severe flooding in December 1964 when 21 inches of rain fell.