| Type: | Bishop |
| John Roderick MacDonald | |
| Bishop of Antigonish | |
| Church: | Roman Catholic Church |
| See: | Roman Catholic Diocese of Antigonish |
| Term: | 1950–1959 |
| Predecessor: | James Morrison |
| Successor: | William Edward Power |
| Ordination: | January 23, 1916 |
| Consecration: | August 24, 1943 |
| Consecrated By: | Mgr Ildebrando Antoniutti |
| Birth Date: | 1891 7, mf=yes |
| Religion: | Roman Catholic Church |
| Occupation: | bishop |
| Profession: | priest |
| John Roderick MacDonald | |
| Dipstyle: | His Excellency |
| Offstyle: | Your Excellency |
| Relstyle: | Bishop |
| See: | Pesaro |
John Roderick MacDonald (July 9, 1891 – December 18, 1959) was consecrated as Bishop of Peterborough, Ontario, August 24, 1943; appointed Titular Bishop of Ancusa and Coadjutor-Bishop of Antigonish with right of succession March 3, 1945; succeeded Archbishop James Morrison to the See April 13, 1950; died December 18, 1959.