Dartford is an unincorporated community in Spokane County, in the U.S. state of Washington.
A post office called Dartford was established in 1898, and remained in operation until 1906. Herbert Dart, the postmaster, gave the community its name.
Coordinates: 47°47′05″N 117°25′01″W / 47.78472°N 117.41694°W