| October 1974–1979 Parliament of the United Kingdom | |||||
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 Palace of Westminster in 1973 | |||||
| Overview | |||||
| Legislative body | Parliament of the United Kingdom | ||||
| Term | 10 October 1974 – 3 June 1979 | ||||
| Election | October 1974 United Kingdom general election | ||||
| Government | Fourth Wilson ministry Callaghan ministry | ||||
| House of Commons | |||||
| Members | 635 | ||||
| Speaker | Selwyn Lloyd George Thomas | ||||
| Leader | Michael Foot Edward Short | ||||
| Prime Minister | Harold Wilson James Callaghan | ||||
| Leader of the Opposition | Edward Heath Margaret Thatcher | ||||
| Third-party leader | Jeremy Thorpe Jo Grimond David Steel | ||||
| House of Lords | |||||
| Lord Chancellor | Baron Elwyn-Jones | ||||
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.