William Sellers (1824–1905) was an American engineer and inventor.
William Sellers may also refer to:
William Sellers (colonial officer), British officer in Nigeria William D. Sellers (1928–2014), American meteorologist and climatologist William W. Sellers (born 1968), president of Wentworth Military Academy and College in Lexington, Missouri Will Sellers (born 1963), associate justice of the Supreme Court of Alabama
See also William Sellars (disambiguation) William Seller (1797–1869), Scottish physician and botanist