List of number-one singles of 1985 (Ireland)
From Infogalactic: the planetary knowledge core
This is a list of singles which have reached number one on the Irish Singles Chart in 1985.
| Week ending | Song | Artist |
|---|---|---|
| 5 January | Do They Know It's Christmas? | Band Aid |
| 12 January | Do They Know It's Christmas? | Band Aid |
| 19 January | Do They Know It's Christmas? | Band Aid |
| 26 January | I Want to Know What Love Is | Foreigner |
| 2 February | I Want to Know What Love is | Foreigner |
| 9 February | I Know Him So Well | Elaine Paige and Barbara Dickson |
| 16 February | I Know Him so Well | Elaine Paige and Barbara Dickson |
| 23 February | I Know Him so Well | Elaine Paige and Barbara Dickson |
| 2 March | I Know Him so Well | Elaine Paige and Barbara Dickson |
| 9 March | I Know Him so Well | Elaine Paige and Barbara Dickson |
| 16 March | You Spin Me Round (Like a Record) | Dead or Alive |
| 23 March | Easy Lover | Philip Bailey and Phil Collins |
| 30 March | Show Some Concern | The Concerned |
| 6 April | Show Some Concern | The Concerned |
| 13 April | We are the World | USA for Africa |
| 20 April | We are the World | USA for Africa |
| 27 April | We are the World | USA for Africa |
| 4 May | We are the World | USA for Africa |
| 11 May | The Unforgettable Fire | U2 |
| 18 May | The Unforgettable Fire | U2 |
| 25 May | 19 | Paul Hardcastle |
| 1 June | 19 | Paul Hardcastle |
| 8 June | I'm on Fire / Born in the U.S.A. | Bruce Springsteen |
| 15 June | I'm on Fire / Born in the U.S.A. | Bruce Springsteen |
| 22 June | You'll Never Walk Alone | The Crowd |
| 29 June | Frankie | Sister Sledge |
| 6 July | Frankie | Sister Sledge |
| 13 July | Frankie | Sister Sledge |
| 20 July | Frankie | Sister Sledge |
| 27 July | Axel F | Harold Faltermeyer |
| 3 August | There Must Be an Angel (Playing with My Heart) | Eurythmics |
| 10 August | Into the Groove | Madonna |
| 17 August | Into the Groove | Madonna |
| 24 August | Into the Groove | Madonna |
| 31 August | I Got You Babe | UB40 with Chrissie Hynde |
| 7 September | I Got You Babe | UB40 with Chrissie Hynde |
| 14 September | Dancing in the Street | David Bowie and Mick Jagger |
| 21 September | Dancing in the Street | David Bowie and Mick Jagger |
| 28 September | Holding Out for a Hero | Bonnie Tyler |
| 5 October | Part-Time Lover | Stevie Wonder |
| 12 October | If I Was | Midge Ure |
| 19 October | The Power of Love | Jennifer Rush |
| 26 October | The Power of Love | Jennifer Rush |
| 2 November | The Power of Love | Jennifer Rush |
| 9 November | The Power of Love | Jennifer Rush |
| 16 November | Nikita | Elton John |
| 23 November | A Good Heart | Feargal Sharkey |
| 30 November | A Good Heart | Feargal Sharkey |
| 7 December | I'm Your Man | Wham! |
| 14 December | Separate Lives | Phil Collins and Marilyn Martin |
| 21 December | Saving All My Love for You | Whitney Houston |
| 28 December | Thank You Very Much Mr Eastwood | Dermot Morgan |
- 26 Number Ones
- Most weeks at No.1 (song): "I Know Him so Well" - Elaine Paige and Barbara Dickson (5)
- Most weeks at No.1 (artist): Elaine Paige and Barbara Dickson (5)
- Most No.1s: Phil Collins (2 shared No.1s)
- NOTE: There were 4 Various Artist No.1s this year (Band Aid, The Concerned, USA for Africa and The Crowd)
