This is a list of members of Parliament (MPs) elected in the October 1974 general election, held on 10 October. This Parliament was dissolved in 1979.

Composition These representative diagrams show the composition of the parties in the October 1974 general election.

Note: The Scottish National Party and Plaid Cymru sit together as a party group. This is not the official seating plan of the House of Commons, which has five rows of benches on each side, with the government party to the right of the speaker and opposition parties to the left, but with room for only around two-thirds of MPs to sit at any one time. Affiliation Members Labour Party319 Conservative Party277 Liberal Party13 Scottish National Party11 Ulster Unionist Party6 Plaid Cymru3 Vanguard Unionist Progressive Party3 Democratic Unionist Party1 Social Democratic and Labour Party1 Independent Republican1  Total 635  Notional government majority 0 (-5)  Effective government majority 2

This is a list of Members of Parliament elected to the Parliament of the United Kingdom in October 1974 general election, held on 10 October. This was the second general election to be held that year. The Parliament lasted until 1979.

Notable newcomers to the House of Commons included Margaret Jackson (later Margaret Beckett), David Penhaligon, Bryan Gould, Margaret Bain (later Margaret Ewing), Helene Hayman and Ann Taylor.

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