List of number-one singles of 2003 (Ireland)

The following is a list of the IRMA's number-one singles of 2003.

Issue Date	Song	Artist
4 January	Lose Yourself	Eminem
11 January	Sound of the Underground	Girls Aloud
18 January
25 January
1 February	All the Things She Said	T.A.T.u.
8 February
15 February
22 February
1 March	Beautiful	Christina Aguilera
8 March
15 March
22 March
29 March	Tonight	Westlife
5 April	A Better Plan	Simon Casey
12 April
19 April
26 April	In da Club	50 Cent
3 May	We've Got the World	Mickey Harte
10 May
17 May
24 May
31 May
7 June	Ignition	R. Kelly
14 June
21 June
28 June	May We Never Have to Say Goodbye	Ronan Tynan and Rita Connolly
5 July
12 July	Crazy in Love	Beyoncé featuring Jay-Z
19 July
26 July
2 August
9 August	Fly on the Wings of Love	XTM
16 August
23 August	Breathe	Blu Cantrell featuring Sean Paul
30 August
6 September	Where Is the Love?	The Black Eyed Peas
13 September
20 September
27 September
4 October
11 October
18 October
25 October
1 November
8 November	Be Faithful	Fatman Scoop featuring The Crooklyn Clan
15 November	Me Against the Music	Britney Spears featuring Madonna
22 November	Mandy	Westlife
29 November
6 December
13 December	Shut Up	The Black Eyed Peas
20 December	Leave Right Now	Will Young
27 December

See also

• 2003 in music
• List of artists who reached number one in Ireland