| Office: | Senator |
| Term Start: | 11 December 1922 |
| Term End: | 17 September 1925 |
| Party: | Cumann na nGaedheal |
| Death Date: | 25 September 1932 |
| Nationality: | Irish |
Michael O'Dea (died 25 September 1932) was an Irish politician. He was a Cumann na nGaedheal member of Seanad Éireann from 1922 to 1925.[1] He was defeated at the 1925 Seanad election.[2]
A bedding and furniture manufacturer, O'Dea was an active member of the Council of Dublin Industrial Development Association and the Council of the Dublin Chamber of Commerce. He was also a member of the Railway and Canal Commission.[2]