Michael Brennan (born 24 September 1946) is an Irish former politician from Adare in County Limerick who served as a member of Seanad Éireann.
He contested the 1997 general election as an independent candidate having failed to get a Fianna Fáil nomination to run for the party.
He later rejoined Fianna Fáil and was nominated by the Taoiseach to Seanad Éireann in 2002, but left the party again on 29 April 2004 to join the Progressive Democrats (PD), after a dispute arising from the end of the dual mandate.
[2] Rose Brennan also joined the Progressive Democrats,[3] and was elected as a PD county councillor for Bruff.
[4] At the 2007 general election Brennan stood as a candidate for the Progressive Democrats in the Limerick West constituency.