William McKinley (disambiguation)

William McKinley is the name of the following people:

• William McKinley (politician, before 1798) (before 1798 – after 1826), American politician (Virginia)
• William McKinley (1843-1901), American politician, President 1897-1901
• William B. McKinley (1856–1926), American politician
• William Thomas McKinley (1938–2015), American composer, jazz pianist and music teacher

This is a disambiguation page for differentiating between several terms identified with the same word.