The broadcaster collected nine awards including news broadcaster of the year, news programme of the year and best drama.
The award ceremony was held in Kilkenny last night.
RTÉ Radio One was named national station of the year, while RTÉ radio presenter Marian Finucane was awarded the outstanding achievement award.
RTÉ's Morning Ireland won the best news programme award, and a broadcast from Finglas on the Today with Pat Kenny show, was judged to be the best the current affairs programme.
News at One presenter Sean O'Rourke picked up the news broadcaster of the year award.
Newstalk won the innovation award for 'The Lisbon Treaty for people with a short attention span'.
Read the full list of winners here
