Bannwart is a German surname of Swiss origin. Notable people with the surname include: Alexander Bannwart (1880–1959), Swiss-American businessman Roman Bannwart (1919–2010), Swiss Roman Catholic theologian, priest, and musician Stéphanie Bannwart (born 1991), Swiss volleyball player Walter Bannwart (born 1927), Swiss footballer See also Alfred Bannwarth (1903–1970), German neurologist German-language surnames Swiss-German surnames