Michael Óg McFadden (1885 – 27 August 1958) was an Irish Fine Gael politician.
A merchant and auctioneer, he was elected to Dáil Éireann as a Cumann na nGaedheal Teachta Dála (TD) for the Donegal constituency at the June 1927 general election.
[1] He was re-elected at the September 1927 general election but lost his seat at the 1932 general election.
[2] He re-gained his seat at the 1933 general election and was re-elected at each subsequent election until he lost his seat again at the 1951 general election.
He lost his seat at the 1954 Seanad election.