Richest People in Ireland 2026
The 13 richest people in Ireland in 2026, ranked by estimated net worth. John Collison tops the list. Each name links to a full profile with wealth sources and biography. Figures are estimates from public sources and may vary.
| # | Name | Industry | Net Worth |
|---|---|---|---|
| 1 | John Collison | Technology | $17.5B |
| 2 | Patrick Collison | Technology | $17.5B |
| 3 | John Grayken | Finance & Investments | $7.5B |
| 4 | Shapoor Mistry | Diversified | $5.5B |
| 5 | John Dorrance III | Food & Beverage | $3.2B |
| 6 | Denis O'Brien | Telecom | $3.1B |
| 7 | Eugene Murtagh | Manufacturing | $2.8B |
| 8 | Firoz Mistry | Diversified | $2.8B |
| 9 | Zahan Mistry | Diversified | $2.8B |
| 10 | Dermot Desmond | Finance & Investments | $2.3B |
| 11 | Jim Thompson & family | Logistics | $2.2B |
| 12 | John Armitage | Finance & Investments | $2.2B |
| 13 | Philip O'Doherty | Technology | $1.9B |
Who is the richest person in Ireland?
John Collison is the richest person in Ireland on this leaderboard, with an estimated net worth of $17.5B. Rankings change as asset values shift, so figures reflect the latest available data.
Net worth figures are estimates compiled from public sources and may vary. Browse more on the Richest People hub.