Stefan Drzewiecki (Russian: ?????´???? ?????´? ??´?????? (??????´?????); 26 July 1844, Kunka, Podolia, Russian Empire (today Ukraine) – 23 April 1938, Paris) was a Polish scientist, journalist, engineer, constructor and inventor, working in France and the Russian Empire.
He built the first submarine in the world with electric battery-powered propulsion (1884).