Margaret Elizabeth Rosemary Barton is an Ulster Unionist Party (UUP) politician and former schoolteacher who was a Fermanagh and Omagh Councillor for the Mid Tyrone DEA from 2022 to 2023, having previously represented Erne North from 2014 to 2016. Barton was also a Member of the Legislative Assembly (MLA) for Fermanagh and South Tyrone from 2016 to 2022.

The 2023 election to Fermanagh and Omagh District Council was held on 18 May 2023, alongside other local elections in Northern Ireland, two weeks after local elections in England. The Northern Ireland elections were delayed by 2 weeks to avoid overlapping with the coronation of King Charles III.