John Latham may refer to:
John Latham (ornithologist) (1740–1837), British physician, naturalist and author John Latham (1761–1843), English physician, President of the Royal College of Physicians John Latham (1787–1853), his son, English magistrate and poet John Latham (judge) (1877–1964), Australian judge and politician John Cridland Latham (1888–1975), U.S. Army soldier and Medal of Honor recipient John Latham (artist) (1921–2006), conceptual artist born in Zambia John Latham (Whitewater), American bank executive involved in Whitewater controversy, 1990s Jack Latham (1914–1987), American actor John Latham (physicist) (1937–2021), British physicist