Jenő Szemák (4 February 1887 – 30 July 1971) was a Hungarian jurist, who served as President of the Curia Regia from 1944 to 1945. He finished his legal studies in Kolozsvár (today: Cluj-Napoca, Romania). He taught at the Calvinist Law Academy of Máramarossziget (today: Sighetu Marmației, Romania) until the Treaty of Trianon (1920) when he was banned from Transylvania. He moved to Budapest.