John Koch (1909–1978) was an American realist painter.
John Koch may also refer to:
John A. B. Koch (1845–1928), German-born architect based in Australia
John C. Koch (1841–1907), German-born politician, later Republican mayor of Milwaukee, Wisconsin, USA
John Herman Koch (1864–1929), German-born American minister and politician
John T. Koch, 20th-century American academic, historian and linguist
Topics referred to by the same term
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