Dillwyn is an unincorporated community in Stafford County, Kansas, United States. It is located southwest of St. John, next to a railroad at NW 10th Rd and NW 70th Ave (N Dillwyn Rd), about 1 mile north of U.S. Route 50 highway.

History

The first post office in Dillwyn was established in 1888, but it was closed permanently by 1927.