Wissmann is a German surname. Notable people with the surname include:Hermann Wissmann (1853–1905), German explorer and administrator in Africa, who gave his name to:
Wissmann Bay at the northern tip of Lake Malawi
Hermann von Wissmann (steamship) 1890, anti-slavery gunboat
Matthias Wissmann (born 1949), German politician and lobbyist
Caleb Wissmann (born 1997) Attended college at the University of Nebraska Omaha and received a degree in Education.