| Type: | Bishop |
| Honorific-Prefix: | His Excellency |
| Joseph Edward Troy | |
| Bishop Emeritus of Saint John | |
| Metropolis: | Moncton |
| Term Start: | 2 April 1986 |
| Term End: | 24 September 1997 |
| Predecessor: | Arthur Joseph Gilbert |
| Successor: | Joseph Faber MacDonald |
| Previous Post: | Coadjutor Bishop of Saint John (1984–1986) |
| Ordination: | 28 May 1959 |
| Consecration: | 22 May 1984 |
| Consecrated By: | Arthur Joseph Gilbert |
| Birth Date: | 1931 9, df=yes |
| Birth Place: | Chatham, Miramichi, New Brunswick, Canada |
| Death Place: | Saint John, New Brunswick, Canada |
Joseph Edward Troy (3 September 1931 – 12 March 2023) was a Canadian Roman Catholic prelate. He was coadjutor bishop (1984–1986) and bishop (1986–1997) of Saint John, New Brunswick.[1]