# Nummer 1-hits in de Billboard Hot 100 in 1975

Deze hits stonden in 1975 op nummer 1 in de Billboard Hot 100.
| Datum | Artiest | Titel |
| 4 januari | Elton John | Lucy in the sky with diamonds |
| 11 januari | Elton John | Lucy in the sky with diamonds |
| 18 januari | Barry Manilow | Mandy |
| 25 januari | Carpenters | Please Mr. Postman |
| 1 februari | Neil Sedaka | Laughter in the rain |
| 8 februari | Ohio Players | Fire |
| 15 februari | Linda Ronstadt | You're no good |
| 22 februari | Average White Band | Pick up the pieces |
| 1 maart | Eagles | Best of my love |
| 8 maart | Olivia Newton-John | Have you never been mellow |
| 15 maart | The Doobie Brothers | Black water |
| 22 maart | Frankie Valli | My eyes adored you |
| 29 maart | Labelle | Lady Marmalade |
| 5 april | Minnie Riperton | Lovin' you |
| 12 april | The Elton John Band | Philadelphia freedom |
| 19 april | The Elton John Band | Philadelphia freedom |
| 26 april | B. J. Thomas | (Hey won't you play) Another somebody done somebody wrong song |
| 3 mei | Tony Orlando & Dawn | He don't love you (like I love you) |
| 10 mei | Tony Orlando & Dawn | He don't love you (like I love you) |
| 17 mei | Tony Orlando & Dawn | He don't love you (like I love you) |
| 24 mei | Earth, Wind and Fire | Shining star |
| 31 mei | Freddy Fender | Before the next teardrop falls |
| 7 juni | John Denver | Thank God I'm a country boy |
| 14 juni | America | Sister golden hair |
| 21 juni | The Captain & Tennille | Love will keep us together |
| 28 juni | The Captain & Tennille | Love will keep us together |
| 5 juli | The Captain & Tennille | Love will keep us together |
| 12 juli | The Captain & Tennille | Love will keep us together |
| 19 juli | Wings | Listen to what the man said |
| 26 juli | Van McCoy & the Soul City Symphony | The hustle |
| 2 augustus | Eagles | One of these nights |
| 9 augustus | Bee Gees | Jive talkin' |
| 16 augustus | Bee Gees | Jive talkin' |
| 23 augustus | Hamilton, Joe Frank & Reynolds | Fallin' in love |
| 30 augustus | KC & the Sunshine Band | Get down tonight |
| 6 september | Glen Campbell | Rhinestone cowboy |
| 13 september | Glen Campbell | Rhinestone cowboy |
| 20 september | David Bowie | Fame |
| 27 september | John Denver | I'm sorry / Calypso |
| 4 oktober | David Bowie | Fame |
| 11 oktober | Neil Sedaka | Bad blood |
| 18 oktober | Neil Sedaka | Bad blood |
| 25 oktober | Neil Sedaka | Bad blood |
| 1 november | Elton John | Island girl |
| 8 november | Elton John | Island girl |
| 15 november | Elton John | Island girl |
| 22 november | KC & the Sunshine Band | That's the way (I like it) |
| 29 november | Silver Convention | Fly, Robin, fly |
| 6 december | Silver Convention | Fly, Robin, fly |
| 13 december | Silver Convention | Fly, Robin, fly |
| 20 december | KC & the Sunshine Band | That's the way (I like it) |
| 27 december | The Staple Singers | Let's do it again |
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