Emma Little-Pengelly (born 31 December 1979) is a Northern Irish barrister and Democratic Unionist Party (DUP) politician. She has been a Member of the Legislative Assembly (MLA) for Lagan Valley since 12 May 2022 when she was co-opted to replace DUP party leader Sir Jeffrey Donaldson who declined to take up his seat after being elected at the 2022 Northern Ireland Assembly election to remain in the House of Commons. She previously served as the Member of Parliament (MP) for the Belfast South constituency in the House of Commons of the United Kingdom from 2017 until 2019, when she lost her seat to Claire Hanna of the SDLP, and as an MLA for the Belfast South constituency in the Northern Ireland Assembly.