List of number-one singles of 2017 (Ireland)

The Irish Singles Chart ranks the best-performing singles in Ireland, as compiled by the Official Charts Company on behalf of the Irish Recorded Music Association.^[1]

Issue date	Song	Artist(s)	Reference
6 January	"Rockabye"	Clean Bandit featuring Sean Paul and Anne-Marie	[2]
13 January	"Shape of You"	Ed Sheeran	[3]
20 January			[4]
27 January			[5]
3 February			[6]
10 February			[7]
17 February			[8]
24 February			[9]
3 March			[10]
10 March	"Galway Girl"		[11]
17 March			[12]
24 March	"Shape of You"		[13]
31 March			[14]
7 April			[15]
14 April			[16]
21 April			[17]
28 April			[18]
5 May	"Despacito"	Luis Fonsi and Daddy Yankee featuring Justin Bieber	[19]
12 May			[20]
19 May			[21]
26 May			[22]
2 June			[23]
9 June			[24]
16 June			[25]
23 June			[26]
30 June			[27]
7 July			[28]
14 July			[29]
21 July			[30]
28 July			[31]
4 August			[32]
11 August			[33]
18 August	"New Rules"	Dua Lipa	[34]
25 August			[35]
1 September	"Look What You Made Me Do"	Taylor Swift	[36]
8 September	"New Rules"	Dua Lipa	[37]
15 September			[38]
22 September			[39]
29 September			[40]
6 October			[41]
13 October			[42]
20 October	"Rockstar"	Post Malone featuring 21 Savage	[43]
27 October			[44]
3 November	"Havana"	Camila Cabello featuring Young Thug	[45]
10 November			[46]
17 November			[47]
24 November			[48]
1 December			[49]
8 December	"Perfect"	Ed Sheeran	[50]
15 December			[51]
22 December			[52]
29 December			[53][54]

Dua Lipa spent eight weeks at number one with "New Rules".

Taylor Swift gained her first number one with "Look What You Made Me Do".

Ed Sheeran had three number ones in 2017 with "Shape of You", "Galway Girl" and "Perfect", he also spent a total of 20 weeks at number one.

Number-one artists

Position	Artist	Weeks at No. 1
1	Ed Sheeran	20
2	Luis Fonsi	15
	Daddy Yankee
	Justin Bieber
5	Dua Lipa	8
6	Camila Cabello	5
	Young Thug
8	Post Malone	2
	21 Savage
10	Clean Bandit	1
	Sean Paul
	Anne-Marie
	Taylor Swift