Abner Cloud House, also known as Sawmill Farm, Mansion Farm, and the John S. Petitdemange House, is a historic home located near Wilmington, New Castle County, Delaware.

It was built about 1822, and consists of a two-story, side-gable, double-pile main section, a two-story, gable-roof, original kitchen wing; and a one-story, 20th century modern kitchen wing.

It is constructed of stone and is in a vernacular Federal style.

Also on the property is a 1+1⁄2-story gable-roof, frame and stone outbuilding.

This article about a property in Delaware on the National Register of Historic Places is a stub.