# Slack (surname)

Slack is the surname of:

## Politics, law and the military

* Clayton K. Slack (1896–1976), United States Army private awarded the Medal of Honor
* Doug Slack (born 1941), Australian former politician
* George Slack (1874–1950), American politician
* Granville Slack (1906–2003), British judge and politician
* James Slack, British political advisor and journalist, former official spokesperson and Director of Communications for former prime minister Boris Johnson
* James R. Slack (1818–1881), American state senator and Union Army brigadier general and brevet major general
* Jerald D. Slack (1936-2024), US Air National Guard major general
* John Slack (cricketer) (1930–2012), English cricketer and judge
* John Bamford Slack (1857–1909), British politician and Methodist lay preacher
* John M. Slack Jr. (1915–1980), American politician
* Leighton P. Slack (1867–1938), American state senator, lieutenant governor of Vermont and justice of the Vermont Supreme Court
* Lemuel Ertus Slack (1874–1952), American state senator and lawyer
* Thomas Kerr Slack (1875–1956), Canadian politician
* Timothy Slack (1913–1976), American politician
* William Y. Slack (1816–1862), American lawyer, politician and Confederate officer

## Science

* Adrian Slack (1933–2018), British landscape gardener, plantsman, author and authority on carnivorous plants
* Francis G. Slack (1897–1985), American physicist
* Harry Slack (1907–1982), British zoologist
* Nancy Guttmann Slack (1930–2022), American plant ecologist, bryologist and historian of science
* Roger Slack (1937–2016), British plant biologist and biochemist

## Sports

* Andrew Slack (born 1955), Australian rugby union player
* Bill Slack (born 1933), Canadian retired baseball pitcher, manager and coach, member of the Canadian Baseball Hall of Fame
* Bill Slack (footballer) (1906–1989), English footballer
* Charlie Slack (1931–2020), American college basketball player
* Henry James Slack (1818–1896), English journalist, liberal activist and science writer
* Hiram Slack (Nottinghamshire cricketer) (1808–1853)
* Hiram Slack (North of England cricketer) (1843–1918), nephew of the above
* Jackie Slack (born 1959), British former footballer
* John Slack (cricketer) (1930–2012), English cricketer and judge
* Laurie Slack (1915–1991), Australian rules footballer
* Mel Slack (1944–2016), English footballer
* Pres Slack (1908–1993), American National Basketball Association player
* Reggie Slack (born 1968), American former football quarterback
* Rodney Slack (born 1940), English former football goalkeeper
* Shanon Slack (born 1984), American mixed martial artist
* Stuart Slack (1935–1998), racing cyclist, musician and folk songwriter from the Isle of Man
* Trevor Slack (born 1962), English former footballer
* Wilf Slack (1954–1989), English cricketer

## Other

* Agnes Elizabeth Slack (1858–1946), English Temperance advocate
* Ben Slack, American actor, known for Bachelor Party
* Eliza Fraser (c. 1798–1858), née Slack, English shipwreck victim who claimed to have been captured by Australian Aborigines
* Freddie Slack (1910–1965), American swing and boogie-woogie pianist and bandleader
* Paul Slack (born 1943), British historian
* Samuel Slack (1757–1822), English bass singer
* William Slack (surgeon) (1925–2019), dean of UCL Medical School and Serjeant Surgeon to Queen Elizabeth II