Kontradmirał Włodzimierz Steyer (July 15, 1892 – September 15, 1957) was a Polish naval officer before and during the Second World War. During the Invasion of Poland in 1939 he commanded the Polish land forces defending the Hel Peninsula in what became known as the Battle of Hel, the longest-lasting battle of the campaign. After the war he briefly served as the commanding officer of the entire Polish Navy. Steyer was also an author of novels under the pen-name "Brunon Dzimicz".