John Snow (1813–1858) was an English physician and epidemiologist.
John Snow may also refer to:
People John Snow (cricketer) (born 1941), English cricketer John J. Snow Jr. (born 1945), American politician, former member of the North Carolina Senate John James Snow Jr. (born 1929), American politician, former member of the South Carolina House of Representatives John W. Snow (born 1939), American politician, 73rd United States Secretary of the Treasury John Snow (MP) (died 1607/08), English politician
Other uses John Snow, Inc, public health research/consulting firm
See also Jon Snow (disambiguation) Jack Snow (disambiguation)