Sunnyside, also known as Sunnyside Farms, is a historic farm complex and national historic district located at Washington, Rappahannock County, Virginia.

The oldest section is a two-story single-pile log structure with a hall-parlor plan, with a 1 1/2-story stone kitchen added about 1800.

In addition to the main house, the remaining contributing resources include five dwellings (one of which is a stone slave quarters), two smokehouses, a root cellar, a chicken coop, a spring house, two cemeteries, a silo, a workshop, a stone foundation for a demolished house, stone walls, and a shed.

The farm is the location of the first commercial apple orchard in Rappahannock County, Virginia, established in 1873.

This article about a property in Rappahannock County, Virginia on the National Register of Historic Places is a stub.