Jonathan Singletary Dunham House, located in Woodbridge Township in Middlesex County, New Jersey, the state's first township, chartered on June 1, 1669, by King Charles II, is a house that was built around 1709 by Jonathan Singletary Dunham, an early American settler and freeholder who built the first gristmill in New Jersey nearby the house.

Jonathan Dunham, known in his early life as Jonathan Singletary, was a prominent early European-American settler of Woodbridge Township, New Jersey, who built the first gristmill in New Jersey. He was an ancestor of President Barack Obama.