John Caldwell (4 July 1849 – 7 March 1916) was a nineteenth-century farmer and timber man of northern Michigan, associated with Missaukee County, Michigan. He was employed for several years by the Mitchell Brothers Company, a land agent firm in several states, dealing with large tracts of timber for making lumber. He homesteaded 100 acres, and had a diversified system of farming that proved successful. He was associated with different agricultural societies, including the National Grange of the Order of Patrons of Husbandry.