List of number-one singles of 1978 (Ireland)

This is a list of singles which have reached number one on the Irish Singles Chart in 1978.

Week ending	Song	Artist
7 January	Mull of Kintyre	Wings
14 January	Mull of Kintyre	Wings
21 January	Mull of Kintyre	Wings
28 January	Mull of Kintyre	Wings
4 February	Mull of Kintyre	Wings
11 February	Mull of Kintyre	Wings
18 February	Figaro	Brotherhood of Man
25 February	Take a Chance on Me	ABBA
4 March	The Rare Auld Times	Danny Doyle
11 March	The Rare Auld Times	Danny Doyle
18 March	Wuthering Heights	Kate Bush
25 March	Wuthering Heights	Kate Bush
1 April	Wuthering Heights	Kate Bush
8 April	Matchstalk Men and Matchstalk Cats and Dogs	Brian and Michael
15 April	Matchstalk Men and Matchstalk Cats and Dogs	Brian and Michael
22 April	Matchstalk Men and Matchstalk Cats and Dogs	Brian and Michael
29 April	Night Fever	The Bee Gees
6 May	Night Fever	The Bee Gees
13 May	Night Fever	The Bee Gees
20 May	Rivers of Babylon	Boney M
27 May	Rivers of Babylon	Boney M
3 June	Rivers of Babylon	Boney M
10 June	Rivers of Babylon	Boney M
17 June	Rivers of Babylon	Boney M
24 June	You're the One That I Want	John Travolta and Olivia Newton-John
1 July	You're the One That I Want	John Travolta and Olivia Newton-John
8 July	You're the One That I Want	John Travolta and Olivia Newton-John
15 July	You're the One That I Want	John Travolta and Olivia Newton-John
22 July	You're the One That I Want	John Travolta and Olivia Newton-John
29 July	You're the One That I Want	John Travolta and Olivia Newton-John
5 August	You're the One That I Want	John Travolta and Olivia Newton-John
12 August	You're the One That I Want	John Travolta and Olivia Newton-John
19 August	Substitute	Clout
26 August	You're the One That I Want	John Travolta and Olivia Newton-John
2 September	Three Times a Lady	The Commodores
9 September	Three Times a Lady	The Commodores
16 September	Three Times a Lady	The Commodores
23 September	Summer Night City	ABBA
30 September	One Day at a Time	Gloria
7 October	Summer Nights	John Travolta and Olivia Newton-John
14 October	Summer Nights	John Travolta and Olivia Newton-John
21 October	Summer Nights	John Travolta and Olivia Newton-John
28 October	Summer Nights	John Travolta and Olivia Newton-John
4 November	Sandy	John Travolta
11 November	One Day at a Time	Gloria
18 November	Hopelessly Devoted to You	Olivia Newton-John
25 November	Mary's Boy Child – Oh My Lord	Boney M
2 December	Mary's Boy Child – Oh My Lord	Boney M
9 December	Mary's Boy Child – Oh My Lord	Boney M
16 December	Mary's Boy Child – Oh My Lord	Boney M
23 December	Mary's Boy Child – Oh My Lord	Boney M
30 December	Mary's Boy Child – Oh My Lord	Boney M

• 17 Number Ones
• Most weeks at No. 1 (artist): John Travolta (14), Olivia Newton-John (14)
• Most weeks at No. 1 (song): "You're The One That I Want" - John Travolta and Olivia Newton-John (9)
• Most No.1s: John Travolta (3), Olivia Newton-John (3)
• 4 songs from the film Grease reached No. 1: "You're The One That I Want", "Summer Nights", "Sandy" and "Hopelessly Devoted to You"

See also

• 1978 in music
• Irish Singles Chart
• List of artists who reached number one in Ireland