William or Bill Saunders may refer to:
Science William Saunders (physician) (1743–1817), Scottish physician, first president of Royal Medical and Chirurgical Society William Wilson Saunders (1809–1879), British entomologist William Saunders (botanist) (1822–1900), American horticulturist and landscape designer William Saunders (scientist) (1836–1914), Canadian pharmacist, entomologist, and plant breeder William Lawrence Saunders (1856–1931), American mining engineer and chairman of Ingersoll Rand William Edwin Saunders (1861–1943), Canadian naturalist
Sports Bud Saunders (William Howard "Bud" Saunders 1884–1967), American football and basketball coach William B. Saunders (1896–1977), American football, basketball, and baseball coach Bill Saunders (1898–1950), American college football coach Billy Saunders (born 1937), Canadian ice hockey player Billy Joe Saunders (born 1989), British boxer William Saunders (footballer) (fl. 1900), football goalkeeper for Burslem Port Vale
Other William Saunders (died 1570), MP for Gatton and Surrey William Saunders (builder) (1767–1861), American architect William Saunders (poet) (1806–1851), Welsh poet writing in Welsh William Saunders (Liberal politician) (1823–1895), British newspaper publisher and Liberal Party politician William Saunders (photographer) (1832–1892), British photographer William Gualbert Saunders (1837–1923), English designer of stained glass William L. Saunders (1835–1891), colonel in the U.S. Civil War and North Carolina secretary of state William Penman Saunders (1912–1980), business manager and politician in Newfoundland, Canada William U. Saunders, barber, lawyer and politician in the United States
See also William Sanders (disambiguation)