This lists songs that hit number one on the charts in the US during 1974. If a song spent nonconsecutive weeks at number one, the number of weeks for each occurrence at the top is shown in parenthesis.
| Date | Artist - Title | Weeks at #1 |
| December 23 1973 – January 5 1974 | Jim Croce - Time In A Bottle | 2 |
| January 6 – 12 1974 | Steve Miller Band - The Joker | 1 |
| January 13 – 19 1974 | Al Wilson - Show and Tell | 1 |
| January 20 – 26 1974 | Ringo Starr - You're Sixteen | 1 |
| January 27 – February 2 1974 | Barbra Streisand - The Way We Were | 3 (1) |
| February 3 – 9 1974 | Love Unlimited Orchestra - Love's Theme | 1 |
| February 10 – 23 1974 | Barbra Streisand - The Way We Were | 3 (2) |
| February 24 – March 16 1974 | Terry Jacks - Seasons In The Sun | 3 |
| March 17 – 23 1974 | Cher - Dark Lady | 1 |
| March 24 – 30 1974 | John Denver - Sunshine on My Shoulders | 1 |
| March 31 – April 6 1974 | Blue Swede - Hooked On A Feeling | 1 |
| April 7 – 13 1974 | Elton John - Bennie And The Jets | 1 |
| April 14 – 27 1974 | MFSB - TSOP (The Sound Of Philadelphia) | 2 |
| April 28 – May 11 1974 | Grand Funk Railroad - The Loco-Motion | 2 |
| May 12 – June 1 1974 | Ray Stevens - The Streak | 3 |
| June 2 – 8 1974 | Paul McCartney - Band on the Run | 1 |
| June 9 – 22 1974 | Bo Donaldson and The Heywoods - Billy Don't Be A Hero | 2 |
| June 23 – 29 1974 | Gordon Lightfoot - Sundown | 1 |
| June 30 – July 6 1974 | Hues Corporation - Rock The Boat | 1 |
| July 7 – 20 1974 | George McCrae - Rock Your Baby | 2 |
| July 21 – August 3 1974 | John Denver - Annie's Song | 2 |
| August 4 – 10 1974 | Roberta Flack - Feel Like Makin Love | 1 |
| August 11 – 17 1974 | Paper Lace - The Night Chicago Died | 1 |
| August 18 – September 7 1974 | Paul Anka with Odia Coates - (You're) Having My Baby | 3 |
| September 8 – 14 1974 | Eric Clapton - I Shot the Sheriff | 1 |
| September 15 – 21 1974 | Barry White - Can't Get Enough Of Your Love, Babe | 1 |
| September 22 – 28 1974 | Andy Kim - Rock Me Gently | 1 |
| September 29 – October 12 1974 | Olivia Newton-John - I Honestly Love You | 2 |
| October 13 – 19 1974 | Billy Preston - Nothing From Nothing | 1 |
| October 20 – 26 1974 | Dionne Warwick and The Spinners - Then Came You | 1 |
| October 27 – November 2 1974 | Stevie Wonder - You Haven't Done Nothin' | 1 |
| November 3 – 9 1974 | Bachman Turner Overdrive - You Ain't Seen Nothing Yet | 1 |
| November 10 – 16 1974 | John Lennon - Whatever Gets You Thru The Night | 1 |
| November 17 – 30 1974 | Billy Swan - I Can Help | 2 |
| December 1 – 14 1974 | Carl Douglas - Kung Fu Fighting | 2 |
| December 15 – 21 1974 | Harry Chapin - Cat's In The Cradle | 1 |
| December 22 – 28 1974 | Helen Reddy - Angie Baby | 1 |
| December 29 1974 – January 11 1975 | Elton John - Lucy In The Sky With Diamonds | 2 |
37 different songs hit number one in the US during 1974.
Top 5 Songs of 1974

1: Barbra Streisand - The Way We Were
2: Terry Jacks - Seasons In The Sun
3: Love Unlimited Orchestra - Love's Theme
4: Redbone - Come And Get Your Love
5: Jackson Five - Dancing Machine
2: Terry Jacks - Seasons In The Sun
3: Love Unlimited Orchestra - Love's Theme
4: Redbone - Come And Get Your Love
5: Jackson Five - Dancing Machine