Jennings is a surname of early medieval English origin. Notable people with the surname include:Adam Jennings, American football player
Alex Jennings, British actor
Asa Jennings (1877–1933), American who commanded the evacuation of refugees after the Great Fire of Smyrna
Bernard Jennings (1929-2017), British local historian and adult educationist
Billy Jennings, English footballer
Billy Jennings (1893–1968), Welsh footballer
Brandon Jennings, American basketball player
Brian Jennings, American football player
Bryant Jennings, American boxer
Charles Edward Jennings (1751–1799), Irish-born French general
Charles Jennings (journalist) (1908–1973), Canadian journalist
Christine Jennings, American politician
Claudia Jennings, American model and actress
Clyde Jennings (1916–2006), Florida philatelist
Edward Jennings (VC) (1820–1889), Irish recipient of the Victoria Cross
Edward H. Jennings (1937–2019), tenth president of Ohio State University
Ed Jennings, Florida politician
Edward Jennings (rowing) (1898–1975), American coxswain
Elizabeth Jennings, English poet
Elizabeth Jennings Graham (1830–1901), American black civil rights activist and teacher
Ernie Jennings, American football player
Francis Jennings, American historian
Gary Jennings, American author
Gary Jennings Jr., American football player
Gavin Jennings, Victorian Politician
George Jennings, pioneering British sanitary engineer
Gerald H. Jennings, ichthyologist and author
Greg Jennings, American football player
Henry Jennings, British privateer
Henry Constantine Jennings, English antiquarian
Herbert Spencer Jennings, zoologist, geneticist and eugenicist
Hughie Jennings, American baseball player
Humphrey Jennings (1907–1950), English filmmaker
Ivor Jennings (1903—1965), British lawyer
J. B. Jennings, American politician
James Jennings, Irish philosopher
Jeremy Jennings, English political theorist
Jesse D. Jennings (1909–1997), American archaeologist
Joanne Jennings, British high jumper
John Jennings (disambiguation), several people
Jonas Jennings, American football player
Jonathan Jennings, first governor of Indiana
J. T. W. Jennings, 20th century architect
Keaton Jennings. English cricketer
Keith Jennings, American football player
Keith Jennings (basketball), American basketball player and coach
Keith R. Jennings, English chemist
Keith Jennings (cricketer), English cricketer
Ken Jennings, holder of longest winning streak on the game show Jeopardy!
Kenneth Jennings, composer and director of the St. Olaf Choir
La Vinia Delois Jennings, American literary scholar
Leonard Jennings, English cricketer and Royal Air Force officer
Luke Jennings, British author of the novel Codename Villanelle
Lyfe Jennings, American musician
Lynn Jennings, American distance runner
M. D. Jennings, American football player
Marlene Jennings, Canadian politician
Mason Jennings, American musician
Michael Jennings (disambiguation), several people
Morley Jennings (1890–1985), American college sports coach
Newell Jennings (1883–1965), Associate Justice of the Connecticut Supreme Court
Professor Nick Jennings, Regius Professor of computer science
Owen Jennings, New Zealand politician
Pat Jennings, Northern Irish footballer
Patrick Jennings (1831–1897), Australian politician
Paul Jennings, Australian children's author
Paul Jennings (1918–1989), English humorist
Paul Jennings (slave) (1799–1874), American slave owned by President James Madison
Peter Jennings (1938–2005), ABC News anchor and newsman
Peter Jennings (Serjeant-at-Arms), British public servant
Peter R. Jennings, Canadian scientist and entrepreneur
Philip Jennings, fictional character in the 2010s American television drama series The Americans
Philip Jennings (c1679–1740), English lawyer and politician, MP for Queenborough 1715–22
Sir Philip Jennings-Clerke, 1st Baronet, known as Philip Jennings until the 1760s, MP for Totnes 1768–88
Renz L. Jennings (1899–1983), Associate Justice of the Arizona Supreme Court
Richard Jennings (c1619–1668), British politician
Robert Yewdall Jennings (1913–2004), English jurist
Sarah Jennings (1660–1744), 1st Duchess of Marlborough
Shooter Jennings, American musician
Stanford Jennings, American football player
Steve Jennings (footballer), English footballer
Stephen Arthur Jennings, Canadian mathematician
Talbot Jennings (1894–1985), American playwright and screenwriter
Ted Jennings, American football player
Theodore Jennings, American author
Tim Jennings, American football player
Tom Jennings, creator of FidoNet
Toni Jennings, American politician
Waylon Jennings (1937–2002), American country music singer
Will Jennings, American songwriter
William Dale Jennings, American author
William M. Jennings (1920–1981), American businessman and hockey team owner
William Nicholson Jennings (1860–1946), American photographer
W. Pat Jennings (1919–1994), U.S. Representative from Virginia
William Sherman Jennings (1863–1920), governor of Florida