# List of number-one singles of 2013 (Ireland)

The Irish Singles Chart ranks the best-performing singles in Ireland, as compiled by Chart-Track on behalf of the Irish Recorded Music Association. The chart week runs from Friday to Thursday.
| Issue date | Song | Artist |
| 3 January | "Impossible" | James Arthur |
| 10 January | "Impossible" | James Arthur |
| 17 January | "Scream & Shout" | will.i.am and Britney Spears |
| 24 January | "Scream & Shout" | will.i.am and Britney Spears |
| 31 January | "Scream & Shout" | will.i.am and Britney Spears |
| 7 February | "Scream & Shout" | will.i.am and Britney Spears |
| 14 February | "Thrift Shop" | Macklemore and Ryan Lewis featuring Wanz |
| 21 February | "One Way or Another (Teenage Kicks)" | One Direction |
| 28 February | "Let Her Go" | Passenger |
| 7 March | "Let Her Go" | Passenger |
| 14 March | "Let Her Go" | Passenger |
| 21 March | "High Hopes" | Kodaline |
| 28 March | "High Hopes" | Kodaline |
| 4 April | "Just Give Me a Reason" | Pink featuring Nate Ruess |
| 11 April | "Pompeii" | Bastille |
| 18 April | "Pompeii" | Bastille |
| 25 April | "Get Lucky" | Daft Punk featuring Pharrell Williams |
| 2 May | "Get Lucky" | Daft Punk featuring Pharrell Williams |
| 9 May | "Get Lucky" | Daft Punk featuring Pharrell Williams |
| 16 May | "Blurred Lines" | Robin Thicke featuring T.I. and Pharrell |
| 23 May | "Blurred Lines" | Robin Thicke featuring T.I. and Pharrell |
| 30 May | "Blurred Lines" | Robin Thicke featuring T.I. and Pharrell |
| 6 June | "Blurred Lines" | Robin Thicke featuring T.I. and Pharrell |
| 13 June | "Blurred Lines" | Robin Thicke featuring T.I. and Pharrell |
| 20 June | "Blurred Lines" | Robin Thicke featuring T.I. and Pharrell |
| 27 June | "Blurred Lines" | Robin Thicke featuring T.I. and Pharrell |
| 4 July | "Wake Me Up" | Avicii |
| 11 July | "Wake Me Up" | Avicii |
| 18 July | "Wake Me Up" | Avicii |
| 25 July | "Wake Me Up" | Avicii |
| 1 August | "Wake Me Up" | Avicii |
| 8 August | "Wake Me Up" | Avicii |
| 15 August | "Wake Me Up" | Avicii |
| 22 August | "Roar" | Katy Perry |
| 29 August | "The Last Great Love Song" | Finbar Furey |
| 5 September | "Roar" | Katy Perry |
| 12 September | "Roar" | Katy Perry |
| 19 September | "Roar" | Katy Perry |
| 26 September | "Roar" | Katy Perry |
| 3 October | "Roar" | Katy Perry |
| 10 October | "Royals" | Lorde |
| 17 October | "Wings" | Birdy |
| 24 October | "Royals" | Lorde |
| 31 October | "Story of My Life" | One Direction |
| 7 November | "The Monster" | Eminem featuring Rihanna |
| 14 November | "The Monster" | Eminem featuring Rihanna |
| 21 November | "Somewhere Only We Know" | Lily Allen |
| 28 November | "Somewhere Only We Know" | Lily Allen |
| 5 December | "Somewhere Only We Know" | Lily Allen |
| 12 December | "Somewhere Only We Know" | Lily Allen |
| 19 December | "Skyscraper" | Sam Bailey |
| 26 December | "Skyscraper" | Sam Bailey |

## Number-one artists

| Position | Artist | Weeks at No. 1 |
| 1 | Pharrell Williams | 10 |
| 2 | Robin Thicke | 7 |
| 2 | T.I. | 7 |
| 2 | Avicii | 7 |
| 5 | Katy Perry | 6 |
| 6 | will.i.am | 4 |
| 6 | Britney Spears | 4 |
| 6 | Lily Allen | 4 |
| 9 | Passenger | 3 |
| 9 | Daft Punk | 3 |
| 11 | James Arthur | 2 |
| 11 | One Direction | 2 |
| 11 | Kodaline | 2 |
| 11 | Bastille | 2 |
| 11 | Lorde | 2 |
| 11 | Eminem | 2 |
| 11 | Rihanna | 2 |
| 11 | Sam Bailey | 2 |
| 19 | Macklemore and Ryan Lewis | 1 |
| 19 | Wanz | 1 |
| 19 | Pink | 1 |
| 19 | Nate Ruess | 1 |
| 19 | Finbar Furey | 1 |
| 19 | Birdy | 1 |