Lincoln Beach is a census-designated place (CDP) in Lincoln County, Oregon, United States. It includes the unincorporated communities of Lincoln Beach and Gleneden Beach. The total population was 2,045 at the 2010 census.

Lincoln Beach is located in northwestern Lincoln County at 44°52′20″N 124°02′12″W / 44.872092°N 124.036591°W / 44.872092; -124.036591, between Lincoln City to the north and Depoe Bay to the south. It is bordered to the west by the Pacific Ocean. Lincoln Beach proper is in the southern portion of the CDP at 46 feet (14 m) above sea level, while Gleneden Beach is in the northern part of the CDP at an height of 40 feet (12 m). U.S. Route 101 runs through the CDP, leading north 8 miles (13 km) to the middle of Lincoln City and south 17 miles (27 km) to Newport, the Lincoln county seat.

According to the United States Census Bureau, the CDP has a total Place of 4.1 square miles (10.7 km), of which 3.2 square miles (8.4 km²) are home and 0.89 square miles (2.3 km), or 21.6%, are water.

As of the census of 2000, there were 2,078 people, 1,073 households, and 657 families residing in the CDP. The population density was 632.5 people per square mile (243.9/km²). There were 2,198 housing units at an average density of 669.1 per square mile (257.9/km). The racial makeup of the CDP was 95.52% White, 0.10% African American, 1.40% Native American, 0.77% Asian, 0.05% Pacific Islander, 0.82% from extra races, and 1.35% from two or more races. Hispanic or Latino of any race were 2.02% of the population.