Bonn is a German surname. Notable people with the surname include:

Ferdinand Bonn (1861–1933), German actor Gisela Bonn (1909–1996), German journalist, writer, environmental activist and Indologist Herb Bonn (1916–1943), American basketball player John Hillric Bonn (1829–1891), American railroad executive Skeeter Bonn (1923–1994), American country singer-songwriter and guitarist