Hammersmith South was a borough constituency in the Metropolitan Borough of Hammersmith in west London.
It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first-past-the-post system.
1918–1950: The Metropolitan Borough of Hammersmith wards numbers one, two and three.
1950–1955: The Metropolitan Borough of Hammersmith wards of Addison, Broadway, Brook Green, Grove, Olympia, Ravenscourt, and St Stephen's.
Leigh Rayment's Historical List of MPs – Constituencies beginning with "H" (part 1)