Sandra Overend (born 11 May 1973) is an Ulster Unionist Party (UUP) politician in Northern Ireland. She served as a Member of the Legislative Assembly (MLA) for Mid-Ulster from 2011 to 2017. Overend was born near Stewartstown, County Tyrone and educated at Cookstown High School and the University of Ulster. She lives near Bellaghy, County Londonderry. She is married with three children; her father-in-law is former Vanguard politician Robert Overend. She worked in accountancy before taking up employment as office manager for her father Billy Armstrong MLA in 1998. Overend is the Ulster Unionist Party Women's Development Officer.