William Lucas may refer to:
- William Lucas (politician) (1800–1877), politician and lawyer from Virginia
- William Lucas (actor) (born 1925), British film and television actor
- William Lucas (Michigan) (born 1928), Wayne County executive and 1986 Michigan gubernatorial candidate
- William R. Lucas (born 1922), fourth Director of the NASA Marshall Space Flight Center
- William Thomas Lucas (1875–?), farmer and Canadian federal politician
- William Lucas (bishop) (1883–1945), inaugural Bishop of Masasi
- Bill Lucas (baseball) (1936–1979), baseball manager
- Billy Lucas (1918–1998), Welsh footballer
- William V. Lucas (1835–1921), U.S. Republican politician representing South Dakota
- Bill Lucas (architect) (1924–2001), Australian architect
- Bill Lucas (rower) (born 1987), British rower
- Bill Lucas (athlete) (born 1917), British long-distance runner
Famous quotes containing the word lucas:
“Use the Force, Luke. Let go, Luke. Luke, trust me.”
—George Lucas (b. 1944)