Upper Bann is a parliamentary constituency in Northern Ireland, which is represented in the United Kingdom House of Commons.

Following public consultation, the Commission revised its proposals which were finally passed through Parliament by means of the Northern Ireland Parliamentary Constituencies Order.

Trimble's leadership came in for much criticism from the rival Democratic Unionist Party and they strongly targeted the area.

Simpson retained his seat in the 2010 general election, although the UUP vote has remained fairly static.

[3] The previous Member of Parliament, since the 2005 general election, was David Simpson of the Democratic Unionist Party.

In that election he defeated David Trimble, then leader of the Ulster Unionist Party, who had held the seat since a 1990 by-election.