| Office: | Teachta Dála |
| Term Start: | February 1948 |
| Term End: | 4 August 1956 |
| Constituency: | Dublin South-West |
| Term Start2: | August 1923 |
| Term End2: | February 1948 |
| Constituency2: | Dublin South |
| Office3: | Lord Mayor of Dublin |
| Term Start3: | 1945 |
| Term End3: | 1946 |
| Predecessor3: | Martin O'Sullivan |
| Successor3: | John McCann |
| Term Start4: | 1941 |
| Term End4: | 1943 |
| Predecessor4: | Kathleen Clarke |
| Successor4: | Martin O'Sullivan |
| Birth Place: | Dublin, Ireland |
| Death Date: | 4 August 1956 |
Peadar Seán Doyle (died 4 August 1956)[1] was an Irish politician. An engineer by profession, his son Seán was killed by British forces at Kilmashogue in the Dublin Mountains on Sunday, 19 September 1920.[2]
Doyle was first elected to Dáil Éireann as a Cumann na nGaedheal Teachta Dála (TD) for the Dublin South constituency at the 1923 general election.[3] He was re-elected at each subsequent general election until his death in 1956.[4]
From 1937 onwards, he was re-elected as a Fine Gael TD and from 1948 he was elected for the Dublin South-West constituency.[4] He served as Lord Mayor of Dublin from 1941 to 1943 and from 1945 to 1946.[5] [1] He was the first Fine Gael Lord Mayor.