Bonnen is a surname. Notable people with the surname include:
Dennis Bonnen (born 1972), American politician Dietmar Bonnen (born 1958), German composer and pianist Folmer Bonnén (1885–1960), Danish painter and journalist Greg Bonnen (born 1966), American politician Helge Bonnén (1896–1983), Danish composer and pianist Suste Bonnén (born 1948), Danish photographer and sculptor