Blydenburgh Park Historic District is a national historic district located at Smithtown in Suffolk County, New York.

The district includes eight contributing buildings and one contributing structure.

There are two groups of historic buildings: the mill complex and Blydenburgh Farmhouse and related buildings.

[2] It was added to the National Register of Historic Places in 1983.

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.