List of Billboard Hot 100 number ones of 1975

Additionally, the period beginning January 11 and ending April 12 constitutes the longest run of a different No.

Coincidentally, it both begins and ends with songs by Elton John.

The longest running number one song of 1975 is "Love Will Keep Us Together" by Captain & Tennille, which spent 4 weeks at the top spot.

That year, 18 acts earned their first number one song, such as Barry Manilow, Ohio Players, Linda Ronstadt, Average White Band, The Eagles, The Doobie Brothers, Labelle, Minnie Riperton, Earth, Wind & Fire, Freddy Fender, Captain & Tennille, Van McCoy, Hamilton, Joe Frank & Reynolds, KC and the Sunshine Band, Glen Campbell, David Bowie, and Silver Convention.

Frankie Valli, having already hit number one with The Four Seasons, also earns his first number one song as a solo act.

Captain & Tennille scored a No. 1 hit single with " Love Will Keep Us Together " for four weeks, becoming the No. 1 single at the end of 1975.