List of number-one singles of 2011 (Ireland)

The Irish Singles Chart is a record chart compiled by Chart-Track on behalf of the Irish Recorded Music Association. The chart week runs from Friday to Thursday.[1]

Irish duo Jedward gained two number ones in 2011 with Lipstick and Bad Behaviour.

Adele gained her first number one with Someone like You.

Lady Gaga gained her fifth number one when Born This Way topped the charts

Barbadian singer Rihanna spent seven consecutive weeks at number one with We Found Love.

identifies Irish musical acts.

Issue date	Song	Artist	Reference
6 January	"When We Collide"	Matt Cardle	[2]
13 January	"Grenade"	Bruno Mars	[3]
20 January			[4]
27 January			[5]
3 February			[6]
10 February	"Price Tag"	Jessie J featuring B.o.B	[7]
17 February	"Born This Way"	Lady Gaga	[8]
24 February	"Price Tag"	Jessie J featuring B.o.B	[9]
3 March	"Someone Like You"	Adele	[10]
10 March			[11]
17 March			[12]
24 March			[13]
31 March			[14]
7 April			[15]
14 April	"On the Floor"	Jennifer Lopez featuring Pitbull	[16]
21 April	"Party Rock Anthem"	LMFAO featuring Lauren Bennett and GoonRock	[17]
28 April			[18]
5 May			[19]
12 May			[20]
19 May	"Lipstick"	Jedward	[21]
26 May			[22]
2 June	"Give Me Everything"	Pitbull featuring Ne-Yo, Afrojack and Nayer	[23]
9 June			[24]
16 June			[25]
23 June			[26]
30 June			[27]
7 July	"Bad Behaviour"	Jedward	[28]
14 July	"Glad You Came"	The Wanted	[29]
21 July			[30]
28 July			[31]
4 August			[32]
11 August			[33]
18 August	"Moves Like Jagger"	Maroon 5 featuring Christina Aguilera	[34]
25 August			[35]
1 September			[36]
8 September			[37]
15 September	"What Makes You Beautiful"	One Direction	[38]
22 September			[39]
29 September			[40]
6 October			[41]
13 October	"We Found Love"	Rihanna featuring Calvin Harris	[42]
20 October			[43]
27 October			[44]
3 November			[45]
10 November			[46]
17 November			[47]
24 November			[48]
1 December	"Wishing on a Star"	The X Factor 2011 Finalists featuring One Direction and JLS	[49]
8 December			[50]
15 December	"Cannonball"	Little Mix	[51]
22 December			[52]
29 December			[53]