Porter is an unincorporated community and census-designated place (CDP) in Grays Harbor County, Washington, United States.

They are located just off U.S. Route 12, southeast of Elma and northwest of Oakville, and along a shortline that is part of the Puget Sound and Pacific Railroad.

When it re-opened in 1933 following the repeal of Prohibition, it was one of the first establishments to receive a liquor license in the state of Washington.

The CDP extends northeast up the Porter Creek valley and east to the first ridgecrest of the local Black Hills.

According to the United States Census Bureau, the Porter CDP has a total area of 8.9 square miles (23.0 km2), all of it land.