Rock Creek or Rockcreek, Oregon may refer to the following in the U.S. state of Oregon: Communities Rock Creek, Baker County, Oregon, an unincorporated community Rock Creek, Gilliam County, Oregon, an unincorporated community Rockcreek, Oregon, a census-designated place in Washington County Streams Rock Creek (Catlow Valley), Oregon Rock Creek (John Day River tributary), Oregon Rock Creek (Lane County, Oregon) Rock Creek (Wasco County, Oregon) Rock Creek (Washington County, Oregon)