•
John B. McCormick (1834–1924), American mechanical engineer •
John F. McCormick, U.S. Coast Guard sailor, namesake of
USCGC John McCormick. •
John Rockefeller McCormick (1896–1901), American child victim of scarlet fever; grandson of John D. Rockefeller, his parents funded research for its cure •
John Wesley McCormick (1754–1837), American pioneer who homesteaded in Indiana and the namesake of McCormick's Creek State Park •
John N. McCormick (1863–1939), bishop of Western Michigan in the Episcopal Church ==See also==