Editing William Smith (section)

==Law and crime==
* [[Sir William Cusack-Smith, 2nd Baronet]] (1766–1836), baronet
* [[William W. Smith (Arkansas judge)]] (1838–1888), justice of the Arkansas Supreme Court
* [[William A. Smith (Iowa judge)]] (1870–1958), justice of the Iowa Supreme Court
* [[William A. Smith (Kansas judge)]] (1888–1968), Associate Justice of the Kansas Supreme Court
* [[William E. Smith (judge)]] (born 1959), judge on the United States District Court for the District of Rhode Island
* Sir [[William James Smith]] (1853–1912), British judge who served as the chief justice of the Supreme Court of Cyprus, British Guiana and the Transvaal
* [[William Francis Smith]] (1904–1968), judge of the United States Court of Appeals for the Third Circuit
* [[William Kennedy Smith]] (born 1960), physician and Kennedy family scion who was acquitted of rape in 1991
* [[William Nimmo Smith, Lord Nimmo Smith]] (born 1942), former Senator of the College of Justice and a judge of the Supreme Courts of Scotland
* [[William Owen Smith]] (1848–1929), lawyer involved in overthrow of the Kingdom of Hawaii
* [[William Redwood Smith]] (1851–1935), Associate Justice of the Kansas Supreme Court
* [[William Scott Smith]] (born 1959), American serial killer and kidnapper
* [[William Smith (judge, born 1728)]] (1728–1793), historian, Chief Justice of the Province of New York, and Chief Justice of the Province of Quebec and later Lower Canada
* [[William Smith (judge, born 1697)]] (1697–1769), father of John Smith, Doctor Thomas Smith, Joshua Hett Smith, and Chief Justice William Smith
* [[William Smith (murderer)]] (1957–2005), executed by the State of Ohio in 2005
* [[William "Tangier" Smith]] (1655–1705), Chief Justice of the Province of New York from 1692
* [[William Trickett Smith]] (1937–2021), American lawyer who was disbarred
* [[William Trickett Smith II]] (born 1981), his son, American drug trafficker convicted of murdering his wife in Peru in 2007