John Green House is a historic home located at Huntington Bay in Suffolk County, New York.

It was built about 1900 and is a large, rambling 2+1⁄2-story, shingle-sheathed gable-roofed residence with gambrel-roofed side wings and a very large, five-bay rear wing.

It features a wraparound, flat-roofed porch on paired fluted Doric order columns.

Also on the property is the building containing the original garage / servant's quarters.

This article about a historic property or district in Suffolk County, New York, that is listed on the National Register of Historic Places, is a stub.