The 1964 United Kingdom general election in Northern Ireland was held on 15 October with 12 MPs elected in single-seat constituencies using first-past-the-post as part of the wider general election in the United Kingdom.
The Ulster Unionists won all the seats in region, as they had at the previous election.
In the election as a whole, the Conservative Party, which included the Ulster Unionists, led by Sir Alec Douglas-Home, lost their majority, lost power after thirteen years in government. The Labour Party won a narrow majority and Harold Wilson was appointed as Prime Minister.
- O'Neill sat as the MP for Bannside in the Northern Ireland Parliament.
- Boyd sat as the MP for Belfast Pottinger in the Northern Ireland Parliament.