Bohdan Stefanowski (17 June 1883 in Lublin – 3 January 1976 in Warsaw) was a Polish expert in thermodynamics, one of founders of the Warsaw school of thermodynamics, the first rector of Lodz University of Technology. After graduation from the Mechanical Engineering Department of Lviv Polytechnic in 1904, Bohdan Stefanowski pursued a career in industry as a specialist in heat management and then spent several years furthering his education under the supervision of Prof. Mollier in Dresden and Prof. Joss at Königliche Technische Hochschule in Charlottenburg.