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

See also

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

Les 25 meilleures chansons de 2003 / Best Singles À Voir

Ireland look to England's 2003 World Cup winners, with good reason CNA

Every single Irish number one in the 2000s, ranked from worst to best

The UK's 40 biggest selling singles by Irish acts of the last 20 years

Top 20 The bestselling singles in Irish history · The Daily Edge