1974 in politics covers information on political events occurred worldwide.

• January 2 - Richard Nixon signs a bill lowering the maximum U.S. speed limit to 55 MPH in order to conserve gasoline during an OPEC embargo.
• January 4 - U.S. President Richard Nixon refuses to hand over materials subpoenaed by the Senate Watergate Committee.
• February 22 - Pakistan recognizes Bangladesh.^[1]
• February 28 - After seven years, the United States and Egypt re-establish diplomatic relations.
• February 28 - General election in the U.K. results in no majority for any party; Labour will form a minority government until October despite having received fewer votes nationally than the Conservatives. See February 1974 United Kingdom general election.
• March 4 - Harold Wilson replaces Edward Heath as Prime Minister of the UK.^[2]
• March 1 - Watergate scandal: Seven are indicted for their role in the Watergate break-in and charged with conspiracy to obstruct justice.
• April 25 - Portuguese democratic revolution.
• May 18 - "Smiling Buddha" nuclear weapon test by India.
• June 29 - Isabel Perón replaces Juan Perón as President of Argentina.^[3]
• July 20 - Turkey invades the country of Cyprus and occupies the northern third of the island (later declared the Turkish Republic of Northern Cyprus).
• August 9 - President Richard Nixon of the USA resigns, and is replaced with Gerald Ford.^[4]
• September 1 - Acting Hugh Watt replaces deceased Norman Kirk as Prime Minister of New Zealand.^[5]
• September 6 - Bill Rowling replaces acting Hugh Watt as Prime Minister of New Zealand.^[5]
• September 12 - Ethiopian Emperor Haile Selassie ousted in a coup by the Derg.
• October 10 - General election in the UK is won narrowly by Labour. See October 1974 United Kingdom general election.

• 1973 in politics
• other events of 1974
• List of years in politics