| Joseph Myles McDonnell | |
| Office: | Member of Parliament for |
| Term Start: | 2 March 1846 |
| Term End: | 14 August 1847 |
| Predecessor: | Mark Blake Robert Dillon Browne |
| Successor: | Robert Dillon Browne George Henry Moore |
| Alongside: | Robert Dillon Browne |
| Death Date: | 1872 |
| Nationality: | Irish |
| Party: | Repeal Association |
Joseph Myles McDonnell (died 1872)[1] was an Irish Repeal Association politician.
McDonnell was elected Repeal Association MP for at a by-election in 1846—caused by the resignation of Mark Blake—but was defeated at the general election the next year.[2]