The Bishop of Portsmouth () is the Ordinary of the Catholic Diocese of Portsmouth in the Province of Southwark, England.
The bishop's official residence is Bishop's House, Bishop Crispian Way, Portsmouth, Hampshire. Bishop Egan was previously the Vicar General for the Diocese of Shrewsbury and his appointment was announced by the Holy See on 11 July 2012. The bishop emeritus is the Right Reverend Crispian Hollis, the 7th bishop of Portsmouth, who was appointed on 6 December 1988.
List of the Catholic bishops of Portsmouth
{| class="wikitable" style="width:95%"; border="1"
! colspan="4" style="background-color: #7F1734; color: white;"|Bishops of Portsmouth
|- valign=center
! style="background-color:#D4B1BB" width="9%"|From
! style="background-color:#D4B1BB" width="9%"|Until
! style="background-color:#D4B1BB" width="32%"|Incumbent
! style="background-color:#D4B1BB" width="45%"|Notes
|- valign=top bgcolor="white"
|align="center"| 1882
|align="center"| 1900
| John Vertue
| Appointed bishop on 3 June 1882 and consecrated on 25 July 1882. Died in office on 23 May 1900.
|-valign=top bgcolor="#F7F0F2"
|align="center"| 1900
|align="center"| 1910
| John Baptist Cahill
| Formerly an auxiliary bishop of the Diocese of Portsmouth (March–August 1900). Appointed Bishop of Portsmouth on 30 August 1900. Died in office on 2 August 1910.
|- valign=top bgcolor="white"
|align="center"| 1910
|align="center"| 1940
| William Timothy Cotter
| Formerly an auxiliary bishop of the Diocese of Portsmouth (1905–1910). Appointed Bishop of Portsmouth on 24 November 1910. Died in office on 24 October 1940.
|-valign=top bgcolor="#F7F0F2"
|align="center"| 1941
|align="center"| 1965
| John Henry King
| Formerly an auxiliary bishop of the Diocese of Portsmouth (1938–1941). Appointed Bishop of Portsmouth on 4 June 1941. Appointed the personal title Archbishop on 6 June 1954. Died in office on 23 March 1965.
|- valign=top bgcolor="white"
|align="center"| 1965
|align="center"| 1976
| Derek Worlock
| Appointed Bishop of Portsmouth on 18 October 1965 and consecrated on 21 December 1965. Translated to the archbishopric of Liverpool on 7 February 1976.
|-valign=top bgcolor="#F7F0F2"
|align="center"| 1976
|align="center"| 1988
| Anthony Joseph Emery
| Formerly an auxiliary bishop of the Archdiocese of Birmingham (1967–1976). Appointed Bishop of Portsmouth on 13 September 1976. Died on 5 April 1988.
|- valign=top bgcolor="white"
|align="center"| 1988
|align="center"| 2012
| Crispian Hollis
| Formerly an auxiliary bishop of the Archdiocese of Birmingham (1987–1988). Appointed Bishop of Portsmouth on 6 December 1988. Retirement accepted on 11 July 2012.
|- valign=top bgcolor="white"
|align="center"| 2012
|align="center"| Incumbent
| Philip Egan
| Formerly Vicar General to the Diocese of Shrewsbury and appointed Bishop of Portsmouth on 11 July 2012. Ordained as the Eighth Bishop of Portsmouth at the Cathedral of St John the Evangelist, Portsmouth, with Bishop Hollis as Principal Consecrator, on 24 September 2012, the Feast of Our Lady of Walsingham.