List of number-one singles of 1977 (Ireland)

This is a list of singles which have reached number one on the Irish Singles Chart in 1977.

Week ending	Song	Artist	Ref.
1 January	"When a Child is Born"	Johnny Mathis
8 January	"If You Leave Me Now"	Chicago
15 January
22 January	"Living Next Door to Alice"	Smokie
29 January
5 February	"Don't Cry for Me Argentina"	Julie Covington
12 February
19 February
26 February	"When I Need You"	Leo Sayer
5 March
12 March
19 March	"Chanson D'Amour"	Manhattan Transfer
26 March
2 April
9 April	"Knowing Me, Knowing You"	ABBA
16 April
23 April
30 April
7 May
14 May	"It's Nice To Be In Love Again"	The Swarbriggs
21 May	"Have I the Right?"	Dead End Kids
28 May
4 June
11 June	"Big Tom is Still the King"	Susan McCann
18 June
25 June	"Back Home"	Dickie Rock
2 July
9 July
16 July
23 July	"Sam"	Olivia Newton-John
30 July
6 August	"Benjy Wrapped his Tractor Round the Old Oak Tree"	Brendan Grace
13 August
20 August	"Daddy's Little Girl"	Brendan Quinn
27 August	"Angelo"	Brotherhood of Man
3 September	"I Need You"	Joe Dolan
10 September	Way Down	Elvis Presley
17 September	"I Need You"	Joe Dolan
24 September	"Nobody Does It Better"	Carly Simon
1 October	"Way Down"	Elvis Presley
8 October	"Silver Lady"	David Soul
15 October
22 October
29 October
5 November	"Yes Sir, I Can Boogie"	Baccara
12 November	"Calling Occupants of Interplanetary Craft"	The Carpenters
19 November
26 November	"Belfast"	Boney M.
3 December	"Rockin' All Over the World"	Status Quo
10 December	"Mull of Kintyre"	Wings
17 December
24 December
31 December

• 24 Number Ones
• Most weeks at No.1 (artist): ABBA (5)
• Most weeks at No.1 (song): "Knowing Me, Knowing You" - ABBA (5)
• Most No.1s: all artists 1 Number One each

See also

• 1977 in music
• Irish Singles Chart
• List of artists who reached number one in Ireland