List of Billboard Hot 100 number-one singles of 1974

These are the Billboard magazine Hot 100 number one hits of 1974. 1974 is tied with 1975 for the most #1 Hot 100 hits with 35.

That year, 25 acts earn their first number one song, such as Steve Miller Band, Al Wilson, Barbra Streisand, Love Unlimited Orchestra, Terry Jacks, John Denver, Blue Swede, MFSB, The Three Degrees, Bo Donaldson and The Heywoods, Gordon Lightfoot, The Hues Corporation, George McCrae, Paper Lace, Odia Coates, Eric Clapton, Barry White, Andy Kim, Olivia Newton-John, Dionne Warwick, The Spinners, Bachman-Turner Overdrive, Billy Swan, Carl Douglas, and Harry Chapin. John Lennon, having already hit number one with The Beatles, earns his first number one song as a solo act. John Denver was the only act to have more than one song reach number one, with two.

1974 however has more #1 hits than 1975 at 36, if a song that started its peak position in 1973, Time in a Bottle by Jim Croce, who was deceased even when it reached No. 1, is included.

Barbra Streisand scored a number one hit in 1974 with "The Way We Were" from the film of the same name, becoming the #1 single of 1974 at year's end.