William Clarkson (disambiguation)

William Clarkson (1859–1934) was a co-founder and Admiral of the Royal Australian Navy

William Clarkson, Willy Clarkson, Bill Clarkson or Billy Clarkson may also refer to:

• Willy Clarkson (1861–1934), theatrical costume designer and wigmaker
• Billy Clarkson (1891–1954), English professional footballer
• William Clarkson (cricketer), 1920s Warwickshire cricketer
• William Clarkson (missionary), 19th-century Irish missionary
• William Herbert Clarkson (1872–?), artist
• Bill Clarkson (1898–1971), pitcher in Major League Baseball