Colm O'Reilly
| The Most Reverend Colm O'Reilly | |
|---|---|
| Bishop-emeritus of Ardagh and Clonmacnoise | |
| Church | Roman Catholic Church | 
| Archdiocese | Armagh | 
| Diocese | Ardagh and Clonmacnoise | 
| Appointed | 10 April 1983 | 
| Term ended | 17 July 2013 | 
| Predecessor | Cahal Daly | 
| Successor | Francis Duffy | 
| Orders | |
| Ordination | 19 June 1960 (priest) | 
| Consecration | 10 April 1983 (bishop) | 
| Personal details | |
| Born | 11 January 1935 Colmcille, County Longford, Ireland | 
| Nationality | Irish | 
| Denomination | Catholic Church | 
| Parents | John and Alicia O'Reilly | 
Colm O'Reilly (born 11 January 1935) is an Irish prelate of the Catholic Church. He served as the Bishop of Ardagh and Clonmacnoise from 1983 to 2013.