Ioannis Despotopoulos (Greek: Ιωάννης Δεσποτόπουλος, 7 January 1903 – 1992), also known as Jan Despo, was a Greek architect born in Smyrna (modern Izmir), Aidin Vilayet, Ottoman Empire.
He was enrolled student at the National Technical University of Athens (N.T.U.A.)
[1] By 1943 (during the occupation of Greece by Nazi Germany), Ioannis Despotopoulos became professor at the School of Architecture at the N.T.U.A.
In 1946, he was discharged from his position at the university and he moved to Sweden for a period between the years 1947 and 1961.
During his stay in Sweden, he worked as an architect and also taught at the Polytechnic Institutes of Stockholm and Goeteborg.