| Office: | Teachta Dála |
| Term Start: | May 2007 |
| Term End: | February 2011 |
| Constituency: | Cavan–Monaghan |
| Birth Date: | 17 September 1967 |
| Birth Place: | Cavan, Ireland |
| Nationality: | Irish |
| Party: | Fianna Fáil |
| Spouse: | Séamus Conlon |
| Children: | 3 |
| Alma Mater: | NUI Maynooth |
Margaret Conlon (born 17 September 1967) is an Irish former Fianna Fáil politician who served as a Teachta Dála (TD) for the Cavan–Monaghan constituency from 2007 to 2011.[1]
She was elected at the 2007 general election.[2] She lives in Lough Egish in County Monaghan, with her husband Séamus, two sons and one daughter. She is Principal of St Louis Secondary School in Monaghan town. She was a founding member of the Fianna Fáil cumann at NUI Maynooth and was a member of the party's National Executive from 1986 to 1988. She lost her seat at the 2011 general election.[2]