The Bishop of Hallam is the ordinary of the Roman Catholic Diocese of Hallam in the Province of Liverpool, England.
On 20 May 2014, the Right Reverend Ralph Heskett, C.Ss.R., was appointed the 3rd Bishop of Hallam by Pope Francis. Bishop Heskett had served as Bishop of Gibraltar from 2010 to 2014.
The Diocese of Hallam takes its name after Hallamshire, an historical area of South Yorkshire, and was erected on 30 May 1980 from parts of the dioceses of Leeds and Nottingham.
|-valign=top bgcolor="#F7F0F2"
|align="center"| 1997
|align="center"| 2014
| John Rawsthorne
| Formerly an auxiliary bishop of Liverpool (1981–1997). Appointed Bishop of Hallam on 4 June 1997. Retired on 20 May 2014
|- valign=top bgcolor="white"
|align="center"| 2014
|align="center"| 2026
| Ralph Heskett, C.Ss.R.
| Formerly Bishop of Gibraltar (2010–2014). Appointed Bishop of Hallam on 20 May 2014.
|}