Lagan Valley (UK Parliament constituency)

Lagan Valley
County constituency
for the House of Commons
Interactive map of boundaries from 2024
Location within Northern Ireland
Major settlementsLisburn
Current constituency
Created1983
Member of ParliamentSorcha Eastwood (Alliance)
Seats1
Created fromSouth Antrim, Belfast South, North Down and South Down

Lagan Valley is a parliamentary constituency in the United Kingdom House of Commons.

The constituency always returned unionist MPs from its creation until the 2024 general election, when it elected Sorcha Eastwood of the Alliance Party.