Ireland at the 2004 Summer Olympics
Ireland participated in the 2004 Summer Olympics in Athens, Greece in part with a delegation of 46 athletes (32 men and 14 women).
Flag bearer at the opening ceremony was the rider Niall Griffin.
Participants by sport
Boxing
- Andy Lee Middleweight: 9th place
Canoe
- Eoin Rheinisch Canoe Slalom, one kayak: 21 Place
- Eadaoin Ní Challarain Women, canoe slalom, one kayak: 11th Place
Athletics
- Paul Brizzel 200 meters: Heats
- Mark Carroll 1,500 meters: Heats
- Alistair Cragg 5,000 meters: 12th Place
- Robert Heffernan 20 km Walking: disqualified during the contest
- James Nolan 1,500 meters: Semi-finals
- Adrian O'Dwyer High Jump: excreted in the qualification
- Olive Loughnane Women, 20 km walking DNF
- Maria McCambridge Women, 5,000 meters: Heats
- Marie McMahon - Davenport Women, 10,000 meters: 14th Place
- Derval O'Rourke Women, 100 m hurdles: Heats
- Sonia O'Sullivan Women, 5,000 meters: 14th Place
Cycling
- Ciarán Power Road Race: 13th place
- Mark Scanlon Road Race: DNF
- Robin Seymour Mountain Biking Cross Country: 30th place
- Jenny McCauley Women, mountain bike, cross country 21 square
Riding
- Kevin Babington Jumping, Individual: 4th place Jumping, Team DNF
- Edmond Gibney Versatility, single: excreted in the qualification Versatility, Team: 8th place
- Edmond Gibney Versatility, Single: 23 Place Versatility, Team: 8th place
- Sasha Harrison Versatility, single: excreted in the qualification Versatility, Team: 8th place
- Heike Holstein Dressage, Individual: 50th place
- Marion Hughes Jumping, Individual: excreted in the qualifiers Jumping, Team DNF
- Jessica Kürten Jumping, Individual: 17th Place Jumping, Team DNF
- Mark Kyle Versatility, Single: 21 Place Versatility, Team: 8th place
- Cian O'Connor Jumping, Individual: excreted in the 2nd round Jumping, Team DNF
- Susan Shortt Versatility, single: excreted in the qualification Versatility, Team: 8th place
Rowing
- Richard Archibald Lightweight coxless four: 6th place
- Eugene Coakley Lightweight coxless four: 6th place
- Paul Griffin Lightweight coxless four: 6th place
- Sam Lynch Lightweight double sculls: 10th place
- Niall O'Toole Lightweight coxless four: 6th place
- Gearóid Towey Lightweight double sculls: 10th place
- Derek Burnett Trap: 7th place
Swimming
- Michael Williamson 200m breaststroke: 22 Place
- Emma Robinson Women, 100m breaststroke: 24th Place
Sailing
- Fraser Brown 49er dinghy: 16th Place
- David Burrows Finn Dinghy: 12th Place
- Killian Collins Star: 17th Place
- Rory Fitzpatrick Laser: 30th place
- Tom Fitzpatrick 49er dinghy: 16th Place
- Ross Killian 470 dinghy: 16th Place
- Marcus Mansfield Star: 17th Place
- Gerald Owens 470 dinghy: 16th Place
- Maria Coleman Women, Europe: 18th Place