William McEwan (disambiguation)

William McEwan or William MacEwan may refer to:

• Sir William McEwan (1827–1913), Scottish brewer and politician
• William Barker McEwan (1870–1933), New Zealand librarian
• Bill McEwan, Canadian businessman
• Bill McEwan (rugby union), Scottish rugby player
• Willie McEwan (golfer) (1872–1931), Scottish golfer