Rock Creek is an unincorporated community in Gilliam County, Oregon, United States.

[1] It lies along Rock Creek Lane in the northern part of the county, about 15 miles (24 km) southwest of Arlington.

The Rock Creek office closed on March 11, 1874, and an office opened on October 27 of that year in nearby Olex.

This second office used Smith's first name, shortened to Alex, but misspelled as Olex.

This Gilliam County, Oregon state location article is a stub.