His body was discovered at around 10.20am Saturday morning
Gardaí are investigating the sudden death of a man at Dublin Airport.
The man, aged in his 70s, passed away in Terminal 1 at around 10.20am on Saturday morning.
It is thought he may have suffered a heart attack.
daa spokeswoman Siobhan O'Donnell said: "It's sad. We've saved 26 lives thanks to our defibrillator programme in the past number of years so it’s really sad to hear this because he was on his own.
"It’s hard for our colleagues when that happens."
The death is not believed to be suspicious.