Stefan de Walden was a Polish military commander and engineer.
He participated in the fights of the Riverine Flotilla of the Polish Navy during the Polish-Bolshevik War. During the Invasion of Poland of 1939, he served as the commanding officer of Wicher, a destroyer of the Polish Navy which took part in the Battle of the Gdańsk Bay.[1] After the war, since 1947, he headed the Historical Detachment of the Naval Staff of Poland.