| Name | Position | Party | Constituency |
|---|---|---|---|
| John S Ryan | Former Representative | Fine Gael | |
| Evie Sammon | Councillor | Fine Gael | Naas |
| Norma Sammon | Former Representative | Fine Gael | |
| Barry Saul | Councillor | Fine Gael | Stillorgan |
| Peter Savage | Former Representative | Fianna Fáil | |
| Ben Scallan | Former Representative | Irish Freedom Party | |
| Jerome Scanlan | Councillor | Fine Gael | Newcastle West |
| Eamon Scanlon | Former Representative | Fianna Fáil | |
| Lourda Scott | Councillor | Green Party | Greystones |
| Darren Scully | Former Representative | Fine Gael | |
| Elena Secas | Councillor | Labour | Limerick City East |
| Mary Seery-Kearney | Councillor | Fine Gael | Rathfarnham Templeogue |
| Mae Sexton | Former Representative | Independent | |
| Kathleen Shanagher | Councillor | Independent | Roscommon |
| Matt Shanahan | Councillor | Independent | Waterford City East |
| Donal Shanahan | Former Representative | Independent | |
| Terry Shannon | Councillor | Fianna Fáil | Cork City South-East |
| Tomás Sharkey | Councillor | Sinn Féin | Dundalk South |
| Alan Shatter | Former Representative | Fine Gael | |
| John Shaw | Councillor | Fianna Fáil | Kinnegad |
| Tom Sheahan | Former Representative | Fine Gael | |
| Kevin Sheahan | Councillor | Fianna Fáil | Adare-Rathkeale |
| Michael Sheahan | Councillor | Fine Gael | Limerick City East |
| John Sheahan | Councillor | Fine Gael | Newcastle West |
| John Sheahan | Former Representative | Fine Gael | |
| Michael Sheehan | Councillor | Fianna Fáil | New Ross |
| John Sheehan | Councillor | Fianna Fáil | Cork City North West |
| Conor Sheehan | Councillor | Labour | Limerick City North |
| Mikey Sheehy | Councillor | Fianna Fáil | Tralee |
| Lisa Marie Sheehy | Former Representative | Independent |