| Sian Mulholland | |
| Honorific-Suffix: | MLA |
| Constituency Am: | North Antrim |
| Assembly: | Northern Ireland |
| Term Start: | 6 April 2023 |
| Predecessor: | Patricia O'Lynn |
| Office2: | Member of Lisburn & Castlereagh Council |
| Constituency2: | Killutagh |
| Term Start2: | 26 May 2022 |
| Term End2: | 6 April 2023 |
| Predecessor2: | David Honeyford |
| Successor2: | Claire Kemp |
| Office3: | Member of Belfast City Council |
| Constituency3: | Ormiston |
| Term Start3: | 1 September 2015 |
| Term End3: | 26 May 2022 |
| Predecessor3: | Laura McNamee |
| Successor3: | Christine Bower |
| Birth Name: | Sian O'Neill |
| Nationality: | Northern Irish |
| Party: | Alliance |
| Children: | 3 |
| Occupation: | Politician |
Sian Mulholland (née O'Neill) is a Northern Irish politician who has been an Alliance Party Member of the Legislative Assembly (MLA) for North Antrim since April 2023.
In September 2015, Mulholland was co-opted onto Belfast City Council for the constituency of Ormiston following the resignation of Laura McNamee.[1] Prior to being co-opted, Mulholland worked as a caseworker for Alliance Party leader Naomi Long.[2]
Mulholland, already a member of Belfast City Council, was co-opted onto Lisburn & Castlereagh Council to fill the vacancy left by David Honeyford's election to the Assembly.[3]
On 6 April 2023, Mulholland was sworn in as MLA for North Antrim following the resignation of Patricia O'Lynn.[4] [5]
She contested North Antrim at the 2024 United Kingdom general election.[6]
In November 2018, Mulholland married Kieran Mullholland, a Sinn Féin councillor on the Causeway Coast and Glens Borough Council.[2] Mulholland and her husband have two sons [7] and a daughter born five weeks before the restoration of the Northern Ireland Assembly.[8]