Iman Willem Falck (25 March 1736, Colombo – 6 February 1785, Colombo) was the 32nd Governor of Zeylan during the Dutch period in Ceylon. He was appointed in 7 August 1765 and was Governor until 5 February 1785. He was succeeded by Edward Hughes.
He was the son of Frans Willem Falck, of Cologne, and Adriana Gobius, of Samarang. He married Theodora Rudolpha de Wendt in 1763.