Guy House near Mansfield, Louisiana is a one-and-a-half-story Greek Revival house built in c.1850 by Samuel Eldridge Guy. It was listed on the National Register of Historic Places in 1988.It is a "galleried cottage", i.e. a small house with a porch (gallery), with vernacular Greek Revival style as interpreted by local builders and carpenters in rural DeSoto Parish.The front gallery has six Doric posts and end pilasters; there never was a rear gallery. It has chimneys at each of two gable end walls. The house originally had a central hall plan with two rooms on each side.