John Ochsendorf (born May 22, 1974) is an American educator, structural engineer, and historian of construction; he is a professor in the Department of Architecture and the Department of Civil and Environmental Engineering at the Massachusetts Institute of Technology. He is widely known for becoming a MacArthur Fellow in 2008 He served as the Director of the American Academy in Rome from 2017–2020. In 2022, he was appointed the founding director of the newly-created MIT Morningside Academy for Design.