William Julius "Judy" Johnson House is a historic home located at Marshallton, New Castle County, Delaware.

It was built about 1925, and is a two-story, three-bay, rectangular frame dwelling with a one-story front porch.

It has a hipped and gable roof with dormer and is reflective of the American Craftsman style.

It was the home of Hall of Fame baseball player Judy Johnson (ca.

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