John Gunnell House, also known as the George Coleman House, is a historic home near Great Falls, Fairfax County, Virginia. It was built in 1852, and is a two-story, five bay, "T"-shaped frame dwelling in a vernacular Greek Revival style. It has an English basement, attic, and intersecting gable roofs with brick chimneys at each of the three gable ends. Also on the property is a contributing outbuilding, now used as a tool shed. It was listed on the National Register of Historic Places in 2006.