Heinrich Wenzel Klutschak (3 May 1848 – 26 March 1890) was an Austrian-American engineer, artist, naturalist, author, and explorer. He travelled to the Arctic and Southern Atlantic, visiting Repulse Bay, Nunavut in 1871 and South Georgia in 1877. He served as a part of Frederick Schwatka's 1878–1880 Arctic expedition to uncover information about the lost 1845 Franklin Expedition. He wrote and provided illustrations of his voyages, and provided one of the earliest reliable Western accounts of the Aivilingmiut, Utkuhikhalingmiut, and Netsilingmiut Inuit.