| Office: | President of the High Court |
| Term Start: | 1 July 1998 |
| Term End: | 24 April 2001 |
| Nominator: | Government of Ireland |
| Appointer: | Mary McAleese |
| Predecessor: | Declan Costello |
| Successor: | Joseph Finnegan |
| Office1: | Judge of the High Court |
| Term Start1: | 1 August 1990 |
| Term End1: | 24 April 2001 |
| Nominator1: | Government of Ireland |
| Appointer1: | Mary Robinson |
| Birth Date: | 1 December 1929 |
| Birth Place: | Kilkenny, Ireland |
| Nationality: | Irish |
| Party: | Fianna Fáil |
Frederick Reginald Morris (born 1 December 1929[1]) is a retired Irish judge who served as President of the High Court from 1998 to 2001 and a Judge of the High Court from 1990 to 2001.[2]
Born in Kilkenny in 1929, he was called to the bar in 1959 and became a Senior Counsel in 1973.[3] He was made a High Court judge in 1990 and appointed to the Special Criminal Court the following year.[4] He was President of the High Court from 1998 to 2001, and therefore an ex-officio member of the Supreme Court of Ireland. He was the Chairperson of the Referendum Commission in 2002 for the 25th Amendment Bill 2002.[5]
From 2002 to 2008, he was the chairman and Sole Member of the Morris Tribunal, which investigated allegations of corrupt and dishonest policing in County Donegal.[6]