Jeff is a masculine name, often a short form (hypocorism) of the English given name Jefferson or Jeffrey, which comes from a medieval variant of Geoffrey.
Music
DJ Jazzy Jeff, American DJ/turntablist record producer Jeffrey Allen Townes
Excision (musician), Canadian dubstep producer and DJ Jeff Abel
Jeff Abercrombie, bassist for American rock band Fuel
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, an 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 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 Todd Titon (born 1943), professor of music and author Jeff Tweedy, American singer-songwriter and founding member of Wilco Jeff Waters, Canadian thrash metal guitarist for band Annihilator