| Office: | Senator |
| Term Start: | 18 August 1944 |
| Term End: | 21 April 1948 |
| Constituency: | Cultural and Educational Panel |
| Party: | Independent |
Patrick John O'Reilly (died 16 July 1965) was an Irish politician. He was elected to Seanad Éireann to the Cultural and Educational Panel as an independent candidate at the 1944 Seanad election.[1] He did not contest the 1948 Seanad election.[1] He was the chief executive officer of Cavan Vocational Education Committee.[1]