The Hedwig von Wissmann was a German steamboat on Lake Tanganyika, which became a feature in the story behind the film The African Queen. She was sister vessel to the larger Hermann von Wissmann on Lake Nyasa, and like that vessel originally used as a gunboat against slavers. Hedwig von Wissmann was the wife of the German explorer and colonial administrator Hermann von Wissmann who had raised funds for both boats.