William Lauder
William Lauder may refer to:
- William de Lauder, bishop of Glasgow
- William Lauder (poet), poet
- William Lauder (forger), forger
- William P. Lauder, president and CEO of the Estée Lauder Companies Inc.
- William Lauder (priest), Anglican dean
- William Preston Lauder, Scottish physician
- William Waugh Lauder, Canadian pianist, music critic and lecturer