Election count of the 1966 Westminister elections in Northern Ireland in the Belfast West constituency. 

Gerry Fitt was the successful Republican Labour candidate for West Belfast who continued to represent the constituency until 1983. Fitt would later become the first leader of the Social Democratic and Labour Party (SDLP), a position he held until 1979. James Kilfedder the defeated Unionist candidate for West Belfast would later represent North Down, first for the Ulster Unionists and later as leader of the Ulster Popular Unionist Party. All 12 MPs elected in 1964 also ran in the 1966 electiona and only Kilfedder was defeated.