William McLean

William McLean may refer to:

• Bill McLean (1918–1996), Australian soldier and rugby player
• William B. McLean (1914–1976), U.S. Navy physicist and ordnance expert
• William Campbell McLean (1854–1944), justice of the Supreme Court of Mississippi
• USNS William McLean, a 2011 U.S. Navy ship named for the physicist
• William McLean (civil servant) (1877–1967), Scottish Unionist Party MP for Glasgow Tradeston
• William McLean (bobsleigh) (1918–1963), British bobsledder who competed at the 1948 Winter Olympics in St. Moritz
• William McLean (Ohio politician) (1794–1839), U.S. Representative from Ohio
• William P. McLean (1836–1925), U.S. Representative from Texas
• William McLean (New Zealand politician) (1845–1914), New Zealand politician
• Billy McLean (umpire) (1835–1927), English professional baseball umpire