| Honorific Prefix: | The Most Reverend |
| John Power | |
| Bishop of Waterford and Lismore | |
| Church: | Roman Catholic |
| Diocese: | Waterford and Lismore |
| Metropolis: | Cashel and Emly |
| Enthroned: | 20 July 1873 |
| Term End: | 17 December 1887 |
| Predecessor: | Dominick O'Brien |
| Successor: | Pierse Power |
| Birth Date: | 1 May 1809 |
| Birth Place: | Affane, United Kingdom of Great Britain and Ireland |
| Death Date: | 12 June 1887 (aged 78) |
| Death Place: | Waterford, United Kingdom of Great Britain and Ireland |
| Alma Mater: | St John's College, Waterford |
| Previous Post: | Parish priest, Clonmel |
John Power (1 May 1809 – 12 June 1887) was an Irish Roman Catholic clergyman who served as the Bishop of Waterford and Lismore from 1887 until his death.[1]
Power was educated at St John's College, Waterford ordained on 16 June 1832.[2] He was the parish priest at Clonmel from 1866 to 1873 when he was ordained Coadjutor bishop of Waterford and Lismore with the right of succession. He became bishop on 20 July 1873[3] and served until his death.