2023 Irish Billionaires List
| Ranking in Ireland | Name | Citizenship | Net worth (USD) | Sources of wealth |
|---|---|---|---|---|
| 1 | Shapoor Mistry |  Ireland |
7 billion | Diversified |
| 2 | John Grayken | Ireland |
6.3 billion | Investments |
| 3 | John Collison | Ireland |
5.5 billion | Technology |
| 4 | Patrick Collison | Ireland |
5.5 billion | Technology |
| 5 | Denis O’Brien | Ireland |
2.7 billion | Telecom |
| 6 | John Dorrance, III | Ireland |
2.6 billion | Food |
| 8 | John Armitage | Ireland |
2.3 billion | Investments |
| 8 | Dermot Desmond | Ireland |
2.2 billion | Investments |
| 9 | Eugene Murtagh | Ireland |
2.1 billion | Manufacturing |
