William Aitken

• William Aitken , Scottish-American architect
• William Aitken , journalist and politician
• William Alexander Aitken, fur trader with the Ojibwe
• William Aubrey Aitken, second Bishop of Lynn, 1972–1986
• William Aitken , Scottish pathologist
• Bill Aitken , Scottish politician
• Bill Aitken , Scottish-born writer and traveller, long a citizen and resident of India
• Billy Aitken , Scottish football player