| Date | Artist - Title | Weeks at #1 |
|---|---|---|
1990 Number One Songs | ||
| – | Band Aid II - Do They Know It's Christmas? | 3 |
| – | New Kids On The Block - Hangin' Tough | 2 |
| – | Kylie Minogue - Tears On My Pillow | 1 |
| – | Sinead O'Connor - Nothing Compares 2 U | 4 |
| – | Beats International - Dub Be Good To Me | 4 |
| – | Snap - The Power | 2 |
| – | Madonna - Vogue | 4 |
| – | Adamski - Killer | 4 |
| – | England New Order - World In Motion | 2 |
| – | Elton John - Sacrifice / Healing Hands | 5 |
| – | Partners In Kryme - Turtle Power | 4 |
| – | Bombalurina - Itsy Bitsy Teeny Weeny Yellow Polka Dot Bikini | 3 |
| – | Steve Miller Band - The Joker | 2 |
| – | Maria McKee - Show Me Heaven | 4 |
| – | Beautiful South - A Little Time | 1 |
| – | Righteous Brothers - Unchained Melody | 4 |
| – | Vanilla Ice - Ice Ice Baby | 4 |
| – | Cliff Richard - Saviour's Day | 1 |
| – | Iron Maiden - Bring Your Daughter... To The Slaughter | 2 |
19 different songs hit number one in the UK during 1990.
