List of artists who reached number one in Ireland

This is an list of recording artists who have reached number one on the Irish Singles Chart.^[1]

• All acts are listed alphabetically.
• Solo artists are alphabetised by last name, Groups by group name excluding "A," "An" and "The.".
• Each act's total of number-one singles is shown after their name.
• Featured artists that have been given credit on the record are included

Cliff Richard, Michael Jackson, Eminem and Ed Sheeran are tied the record for the most number-one songs by a male artist with 9

Madonna, Britney Spears and Rihanna are tied the record for most number one-singles for a female artist with 8.