William Salmon (disambiguation)

William Salmon (1644–1713) is English writer on medical topics.

William Salmon may also refer to:
 * William Salmon (politician) (1802–1868), lawyer, judge and politician in Upper Canada
 * William Salmon (cricketer) (1846–1907), New Zealand businessman and cricketer
 * William Charles Salmon (1868–1925), American politician
 * William E. Salmon (died 1883), American politician from Maryland
 * William Salmon (painter) (1928–2018), Australian painter