| Denis O'Regan | |
|---|---|
| Occupation | Jockey |
| Born | March 1982 Youghal, County Cork, Ireland |
Denis O'Regan is a retired Irish jockey who competed in National Hunt racing and won seven Grade 1 races. In November 2023 he became the first jockey to ride a winner at every active National Hunt racecourse in Britain and Ireland. He retired after riding at Navan on 18 November 2023.