List of number-one singles of 1985 (Ireland)

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
19 January
26 January	I Want to Know What Love Is	Foreigner
2 February
9 February	I Know Him So Well	Elaine Paige and Barbara Dickson
16 February
23 February
2 March
9 March
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
13 April	We are the World	USA for Africa
20 April
27 April
4 May
11 May	The Unforgettable Fire	U2
18 May
25 May	19	Paul Hardcastle
1 June
8 June	I'm on Fire / Born in the U.S.A.	Bruce Springsteen
15 June
22 June	You'll Never Walk Alone	The Crowd
29 June	Frankie	Sister Sledge
6 July
13 July
20 July
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
24 August
31 August	I Got You Babe	UB40 with Chrissie Hynde
7 September
14 September	Dancing in the Street	David Bowie and Mick Jagger
21 September
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
2 November
9 November
16 November	Nikita	Elton John
23 November	A Good Heart	Feargal Sharkey
30 November
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)