Donncha O’Callaghan
- Born
- 24 March 1979 (47 years)
- Place of birth
- Cork, Ireland
- Gender
- Male
Donncha Fintan O'Callaghan is a retired Irish rugby union player, born on March 24, 1979, who played primarily for Munster and represented Ireland internationally, winning the Six Nations Grand Slam in 2009. He also toured with the British & Irish Lions and later became a broadcaster and author.
