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 MalawiHermann von Wissmann (steamship) 1890, anti-slavery gunboatMatthias Wissmann (born 1949), German politician and lobbyistCaleb Wissmann (born 1997) Attended college at the University of Nebraska Omaha and received a degree in Education.