Manzanita is a coastal city in Tillamook County, Oregon, United States. It is located on U.S. Route 101 about 25 miles (40 km) equidistant from Seaside to the north and Tillamook to the south. The population was 603 at the 2020 census.

Tillamook County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 27,390. The county seat is Tillamook. The county is named for the Tillamook or Killamook people, a Native American tribe who were living in the area in the early 19th century at the time of European American settlement. The county is located within Northwest Oregon.