Michael O'Dea (died 25 September 1932) was an Irish politician. He was a Cumann na nGaedheal member of Seanad ÃÂireann from 1922 to 1925. He was defeated at the 1925 Seanad election.
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.