Jeff Smith
Jeff Smith or Jeffrey Smith may refer to:
Sports
Combat sports
- Jeff Smith (boxer) (1891–1962), American boxer
 - Jeff Smith (1948–2019), American professional wrestling manager best known as Izzy Slapawitz
 - Jeff Smith (martial arts) (born 1963), American martial artist
 
Gridiron football
- Jeff Smith (offensive lineman) (born 1973), played for the Chiefs, Jaguars and Steelers
 - Jeff Smith (defensive end) (born 1962), defensive end, played for the Cincinnati Bengals
 - Jeff Smith (running back) (born 1962), running back, played for the Chiefs and Buccaneers
 - Jeff Smith (tight end) (born 1962), tight end, played for the New York Giants
 - Jeff Smith (wide receiver, born 1962), gridiron football player, notably in the Canadian Football League
 - Jeff Smith (wide receiver, born 1997), wide receiver for the New York Giants
 
Other sports
- Jeff Smith (motorcyclist) (born 1934), former world champion motocross racer
 - Jeff Smith (footballer, born 1935), English football full back (Lincoln City)
 - Jeff Smith (British racing driver) (born 1966), British racing car driver and businessman
 - Jeff Smith (American racing driver) (born 1963), American stock car racing driver
 - Jeff Smith (baseball) (born 1974), coach in the Minnesota Twins' organization
 - Jeff Smith (darts player) (born 1975), Canadian darts player
 - Jeff Smith (footballer, born 1980), English football defender/midfielder (Port Vale, Carlisle United and Darlington)
 - Jeff Smith (shot putter) (born 1943), American shot putter, 1965 All-American for the USC Trojans track and field team
 
Politics and government
- Jeff Smith (British politician) (born 1963), MP for Manchester Withington 2015-
 - Jeff Smith (Mississippi politician) (born 1949), Republican (formerly Democratic) legislator
 - Jeff Smith (Wisconsin politician) (born 1955), Wisconsin legislator
 - Jeff Smith (Iowa politician) (born 1967), Iowa State Representative
 - Jeff Smith (Missouri politician) (born 1973), former State Senator, convicted of crimes related to federal election law violations
 - Jeffrey H. Smith (lawyer), former General Counsel of the CIA
 
Other
- Jeff Smith (cartoonist) (born 1960), creator of the comic book Bone
 - Jeff Smith, comedy musician from duo Raymond and Scum
 - Jeff Smith (chef) (1939–2004), host of The Frugal Gourmet TV program
 - Jefferson "Jeff" Smith, the protagonist in the 1939 film Mr. Smith Goes to Washington
 - Jeffrey H. Smith, former professor of mathematics at Purdue University, Indiana
 - Jeffrey M. Smith (born 1958), journalist, author and documentary filmmaker
 - Jeffrey W. Smith, biologist at the Burnham Institute
 - Jeffrey Chipps Smith, American art historian
 - Jeffrey G. Smith (1921–2021), U.S. Army general
 - Jeff Smith (hedge fund manager), American hedge fund manager
 - R. Jeffrey Smith, American journalist
 - Jeffrey L. Smith, Washington, D.C. police officer, responded to the 2021 storming of the U.S Capitol Building