Oceanside is a census-designated place (CDP) and unincorporated community in Tillamook County, Oregon, United States.

Oregon Route 131's northern terminus is in the community, which is just north of Netarts.

Symons State Park is in Oceanside, while Three Arch Rocks National Wildlife Refuge lies just offshore.

According to the United States Census Bureau, the CDP has a total area of 1.0 square mile (2.6 km2), all of it land.

The racial makeup of the CDP was 96.63% White, 0.61% African American, 1.84% Asian, and 0.92% from two or more races.