See also: Smith

• William Smith, (1769-1839), geologist English.
• William Smith, (1846 - 1894), Scottish archeologist
• Willie " The Lion" Smith, (1897-1973), Pianist of Jazz.
• William Smith (marine), navigator of the 19th century.
• William Smith Jr., (1924-), American swimmer, doubled Olympic medal in 1948.
• William Smith (1811-1893), brother of Joseph Smith, founder of the mormonism