The Star Barn Complex, also known as the John Motter Barn and Outbuildings and "Walnut Hill," is an historic, American farm outbuilding complex that was located in Lower Swatara Township, Dauphin County, Pennsylvania.

Added to the National Register of Historic Places in 2000,[1] it was dismantled in October 2015 and then moved to a site in Lancaster County for reassembly and preservation.

[2][3] This historic property includes a large barn, a pig barn (c. 1872), a carriage house (c. 1872), a chicken coop (c. 1872), a grain silo, and a milk house.

It features an immense cupola atop a cross-gable roof.

[1] The Star Barn was dismantled beginning in October 2015 and then moved to a site in Lancaster County, where it has been reassembled and preserved at the Ironestone Ranch in Elizabethtown.