| Nationality: | Irish |
| Office: | Teachta Dála |
| Term Start: | May 2002 |
| Term End: | February 2011 |
| Constituency: | Dublin South-Central |
| Office2: | Senator |
| Term Start2: | 17 February 1993 |
| Term End2: | 17 September 1997 |
| Constituency2: | Nominated by the Taoiseach |
| Office4: | Lord Mayor of Dublin |
| Term Start4: | June 2001 |
| Term End4: | May 2002 |
| Predecessor4: | Maurice Ahern |
| Successor4: | Anthony Creevey |
| Birth Date: | 23 June 1960 |
| Birth Place: | Dublin, Ireland |
| Party: | Fianna Fáil |
| Alma Mater: | Trinity College Dublin |
| Father: | John Mulcahy |
Michael Mulcahy (born 23 June 1960) is an Irish former Fianna Fáil politician. He was a Teachta Dála (TD) for the Dublin South-Central constituency from 2002 to 2011.[1]
A barrister and graduate of Trinity College Dublin, Mulcahy entered politics as a member of Dublin Corporation, where he served from 1985 to 2003. He was Lord Mayor of Dublin from 2001 to 2002.[2] He is a son of John Mulcahy, the proprietor of The Phoenix magazine and founder of the Sunday Tribune newspaper,[3] and Nuala Mulcahy.
He was elected to Dáil Éireann on his fifth attempt at the 2002 general election and was re-elected at the 2007 general election.[4]
He had previously served as a Senator in the 20th Seanad, to which he was nominated by the Taoiseach, Albert Reynolds.
He lost his seat at the 2011 general election.