Sorcha-Lucy Eastwood[2] (born October 1985) is a Northern Irish politician who has served as Member of Parliament (MP) for Lagan Valley since 2024.

Eastwood describes her father as "a very violent man"; her experiences with domestic violence growing up were one of the factors that inspired her to get involved in politics.

Sorcha Eastwood ran in the 2017 Northern Ireland Assembly election as an Alliance Party candidate in Belfast West.

[5] She was an Alliance candidate again later that year, this time for the 2017 United Kingdom general election, running in Belfast West.

[7] Later that year, she was the Alliance Party candidate for Lagan Valley in the 2019 general election, polling 28.8% of the vote (an increase of 17.7%), coming second behind the DUP incumbent Jeffrey Donaldson, while reducing his majority from 19,229 to 6,499.

[9] Sorcha Eastwood, alongside David Honeyford, was an Alliance candidate for the 2022 Assembly election in Lagan Valley.