| Date | Artist - Title | Weeks at #1 |
|---|---|---|
1975 Number One Songs | ||
| – | Mud - Lonely This Christmas | 4 |
| – | Status Quo - Down Down | 1 |
| – | Tymes - Ms Grace | 1 |
| – | Pilot - January | 3 |
| – | Steve Harley and Cockney Rebel - Make Me Smile (Come Up And See Me) | 2 |
| – | Telly Savalas - If | 2 |
| – | Bay City Rollers - Bye Bye Baby | 6 |
| – | Mud - Oh Boy | 2 |
| – | Tammy Wynette - Stand By Your Man | 3 |
| – | Windsor Davies and Don Estelle - Whispering Grass | 3 |
| – | 10cc - I'm Not In Love | 2 |
| – | Johnny Nash - Tears On My Pillow | 1 |
| – | Bay City Rollers - Give A Little Love | 3 |
| – | Typically Tropical - Barbados | 1 |
| – | Stylistics - Can't Give You Anything (But My Love) | 3 |
| – | Rod Stewart - Sailing | 4 |
| – | David Essex - Hold Me Close | 3 |
| – | Art Garfunkel - I Only Have Eyes For You | 2 |
| – | David Bowie - Space Oddity | 2 |
| – | Billy Connolly - D.I.V.O.R.C.E. | 1 |
| – | Queen - Bohemian Rhapsody | 9 |
21 different songs hit number one in the UK during 1975.