William Waldegrave
William Waldegrave may refer to:
- Sir William Waldegrave (Suffolk MP, died 1554), MP for Suffolk, 1545
- Sir William Waldegrave (Suffolk MP, died 1613), MP for Suffolk, 1563
- William Waldegrave (physician), English physician
- William Waldegrave, 1st Baron Radstock, Royal Navy admiral and Governor of Newfoundland
- William Waldegrave, 8th Earl Waldegrave, Royal Navy vice-admiral
- William Waldegrave, Viscount Chewton, British Army officer, son of the above
- William Waldegrave, 9th Earl Waldegrave, British politician, son of the above
- William Waldegrave, 10th Earl Waldegrave, British peer, son of the above
- William Waldegrave, Baron Waldegrave of North Hill, British politician