William MacMillan

• Bill MacMillan
• Bill MacMillan (academic)
• Billy McMillan
• Will McMillan
• William Duncan MacMillan
• William Hector McMillan
• William Hutchison McMillan
• William J. P. MacMillan
• William L. McMillan
• William Macmillan (minister)
• William McMillan (Australian politician)
• William McMillan (college president)
• William McMillan (congressman)
• William McMillan (footballer, born 1872)
• William McMillan (footballer, born 1876)
• William McMillan (sculptor)
• William McMillan (sport shooter)
• William Miller Macmillan