Lagan Valley (Assembly constituency)

Lagan Valley is a constituency in the Northern Ireland Assembly. It was first used in the 1998 election. It is one of six constituencies in the Lagan Valley area.

The constituency was created from parts of the former constituencies of North Down, South Antrim and Strangford. It shares boundaries with the Lagan Valley parliamentary constituency.

For the 2022 Assembly election, Lagan Valley elected five members to the Northern Ireland Assembly using proportional representation by means of the single transferable vote.