William Montgomery (August 3, 1736 – May 1, 1816) was an American jurist and politician from Chester County, Pennsylvania. He represented Pennsylvania in the United States House of Representatives from 1793 until 1795. Montgomery and his son Daniel developed Danville, Pennsylvania, during the second half of the 18th century. He was named the borough's first postmaster, serving from 1801 to 1803. Montgomery died in Danville. His house at Danville, known as the General William Montgomery House, was listed on the National Register of Historic Places in 1979.