Jeff is a masculine name, often a short form (hypocorism) of the English given names Jefferson or Jeffrey, the latter of which comes from a medieval variant of Geoffrey.
Academics
Jeff Kuhn, physicist and astronomer
Jeff Remmel, American mathematician
Jeff S. Shamma, professor of electrical engineering
Jeff Sigafoos, New Zealand professor of educational psychology
Jeff Todd Titon (born 1943), professor of music and author
Film and television
Jeff Anderson, American actor
Jeff Bennett, American voice actor and singer
Jeff Bergman, American voice actor
Jeff Bollow, American writer and director
Jeff Brazier (born 1979), English television presenter and reality TV personality
Jeff Bridges, American actor
Jeff Canoy (born 1984), Filipino broadcast journalist and documentary film maker
Jeff Chandler (1918–1961), American film actor
Jeff Cohen (actor), American attorney and former child actor who appeared as Chunk in the 1985 movie The Goonies
Jeff Conaway (1950–2011), American actor
Jeff Coopwood, American actor, singer, broadcaster and educator
Jeff Corey (1914–2002), American stage and screen actor and director
Jeff Corwin, American animal and nature conservationist, host of The Jeff Corwin Experience and Corwin's Quest
Jeff Daniels, American actor
Jeff B. Davis, American actor, comedian and singer
Jeff Deverett, Canadian film producer
Jeff Dunham, American ventriloquist and comedian
Jeff East, American actor
Jeff Foxworthy, American comedian and actor
Jeff Garcia (1975–2025), American comedian and actor
Jeff Garlin, American comedic actor
Jeff Goldblum, American film actor
Jeff Hunter, American film actor
Jeff Hyslop (born 1951), Canadian actor, singer, dancer, choreographer, and director
Jeff Katz, American film producer and studio executive
Jeff Lemire (born 1976), Canadian comic book writer, artist, and television producer
Jeff Loveness, American screenwriter and television producer
Jeff Machado (died 2023), Brazilian actor
Jeff Maxwell, American actor
Jeff McCarthy, American character actor
Jeff "Swampy" Marsh, American television director, writer, producer, storyboard artist, and actor
Jeff Osterhage, American film and television actor
Jeff Probst, American television personality, host of Survivor
Jeff Shannon (1961–2013), American film critic
Jeff Stelling, British sports journalist, sport television presenter and game show host
Jeff Stevenson (born 1961), English actor and comedian
Jeff Thisted, American game show host
Jeff Yagher, American actor
Jeff York (1912–1995), American actor
Literature
Jeff Abbott, American suspense novelist
Jeff Kinney, American game designer, cartoonist, producer, actor, and children's book author
James Neff, American non-fiction author and investigative journalist
Jeff Noon, British novelist, short story writer, and playwright
Jeff VanderMeer, American writer
Jeff Weiss, American playwright, impresario, and actor
Music
Excision (musician), Canadian dubstep producer and DJ Jeff Abel
Jeff Abercrombie, bassist for American rock band Fuel
Jeff Alexander (1910–1989), American conductor, arranger, and composer of film, radio, and television scores
Jeff Allen, English session drummer
Jeff Baxter, American guitarist for rock bands Steely Dan and The Doobie Brothers
Jeff Beal (born 1963), American composer of music for various media
Jeff Beck (1944–2023), English guitarist
Jeff Buckley (1966–1997), American singer-songwriter
Jeff Coffin, saxophonist, bandleader, composer and educator
Jeff Current, lead singer of American alternative rock band Against All Will
Jeff Fatt, Australian musician and actor, formerly with the children's band The Wiggles
Jeff Gillan, American journalist
Jeff Graham, Canadian radio DJ
Jeff Hanneman (1964–2013), American guitarist, founding member of the thrash metal band Slayer
Jeff Hartford, Canadian DJ and producer
Jeff Healey (1966–2008), Canadian blues-rock guitarist and songwriter
Jeff Loomis, lead guitarist for heavy metal band Nevermore
Jeff Lynne, British singer-songwriter and record producer
Jeff Mangum, American singer-songwriter and founder of Neutral Milk Hotel
Jeff Mills, American techno DJ and producer
Jeff Pilson (born 1959), American musician
Jeff Porcaro (1954–1992), American session drummer and member of the rock band Toto
Jeff Satur, Thai singer and actor
Jeff Scott Soto, American rock singer of Puerto Rican descent
Jeff Stinco, Canadian singer-songwriter and lead guitarist for pop-punk band Simple Plan
Jeff Timmons, American pop singer, producer, and pop group 98 Degrees founding member
Jeff Tweedy, American singer-songwriter and founding member of Wilco
Jeff Ward (musician) (1962–1993), American musician
Jeff Waters, Canadian thrash metal guitarist for band Annihilator
Other arts and entertainment
Jeff Koons, American artist
Jeff Smith, American cartoonist
Jeff Sneider, American entertainment journalist
Business
Jeff Bezos, American entrepreneur, industrialist, media proprietor, investor, and former chief executive officer of Amazon
Jeff Fairburn, British businessman
Jeff Green (born 1977), American billionaire advertising executive
Jeff Hawkins, founder of Palm Computing and Handspring
Jeff Kaplan, vice president of Blizzard Entertainment
Jeff Kwatinetz, American entertainment executive
Jeff Steele (born 1971), American entertainment industry executive
Politics
Jeff Adachi, San Francisco Public Defender, pension reform advocate, and San Francisco mayoral candidate
Jeff Bingaman, junior U.S. Senator from New Mexico
Jeff Cooling (born 1987), Iowa state representative
Jeff Flake, U.S. Senator from Arizona
Jeff Kennett, premier of Victoria, Australia
Jeff Kurtz (born 1954), Iowa state representative
Jeff Landry, Governor of Louisiana
Jeff Merkley, U.S. Senator from Oregon
Jeff Sessions, United States Attorney General and US Senator
Jeff Truly (1861–1946), Mississippi legislator and judge
Programming
Jeff Dean, a senior fellow at Google and inventor of many of Google's core technologies
Jeff Minter, British computer/video game designer and programmer
Jeff Moss, American hacker, computer and internet security expert
Sports
Jeff Abbott (baseball), American retired professional baseball player
Jeff Abbott (racing driver), American professional motorsport drifter
Jeff Adams, Canadian Paralympian and wheelchair sport world champion
Jeff Adrien, college basketball player
Jeff Agoos (born 1968), retired Swiss-born American soccer defender
Jeff Allam, British racing driver
Jeff Altenburg, American professional race car driver
Jeff Andretti, American race car driver
Jeff Astle (1942–2002), English footballer
Jeff Bagwell, Hall of Fame American baseball player
Jeff Bearden (born 1963), American professional wrestler
Jeff Bennett (athlete) (born 1948), American decathlete
Jeff Bes, Canadian ice hockey player
Jeff Blake, American football player
Jeff Blatnick (1957–2012), American super heavyweight Greco-Roman wrestler
Jeff Burton, NASCAR racer
Jeff Butler (football manager) (1934–2017), English football manager
Jeff Carter, Canadian ice hockey player
Jeff Chandler (boxer), boxing champion
Jeff Cheung, American skateboarder and artist
Jeff Cirillo, retired baseball player
Jeff Clement, American baseball player
Jeff Cobb (born 1982), American professional wrestler
Jeff Coetzee, South African professional tennis player
Jeff Conine, retired baseball player
Jeff Curran (born 1977), American retired professional mixed martial artist
Jeff Curran (footballer) (born 1961), Scottish-born Australian former soccer player
Jeff Elliott, British decathlete and pole vaulter
Jeff Farmer (wrestler) (born 1962), American retired professional wrestler
Jeff Fenech, Australian boxer
Jeff Ferguson (ice hockey) (born 1969), Canadian ice hockey and roller hockey goaltender
Jeff Foster (basketball) (born 1977), American basketball player
Jeff Francis, baseball player
Jeff…