| Nationality: | Irish |
| Office: | Senator |
| Term Start: | 25 April 1987 |
| Term End: | 25 May 2011 |
| Birth Date: | 20 July 1947 |
| Birth Place: | Dingle, County Kerry, Ireland |
| Party: | Independent |
| Alma Mater: | St Patrick's College, Dublin |
Joseph John O'Toole (born 20 July 1947) is an Irish former independent politician, who was a member of Seanad Éireann from 1987 to 2011.[1]
He was born and brought up in Dingle, County Kerry, O'Toole was a teacher for ten years and then a school principal in County Dublin. From 1990 to 2001, he was appointed General Secretary of the Irish National Teachers' Organisation (INTO), and from 2001 to 2003, he was President of the Irish Congress of Trade Unions (ICTU). He lives in Kilsallaghan, County Dublin.
He was first elected to the 18th Seanad in 1987 for the National University (NUI) constituency, and was re-elected by the same constituency at each subsequent election until he retired from politics at the 2011 Seanad election.[2]
In the Seanad, he was a member of the Parliamentary Joint Finance Committee. His autobiography "Looking under stones: roots, family and a Dingle childhood", was published in 2003.