William Lucas
William Lucas, Bill, or Billy Lucas may refer to:
Law and politics
- William Lucas (Virginia politician), American politician and lawyer from Virginia
- William V. Lucas, American politician representing South Dakota
- William Thomas Lucas, Canadian farmer and federal politician
- William Brooks Lucas, American politician and lawyer from Mississippi
- William Lucas (Michigan politician), American politician in Michigan
- Bill Lucas (Missouri politician), American politician in Missouri
Sports
- Bill Lucas (rugby league), Australian rugby league player
- Bill Lucas (runner), British long-distance runner
- Billy Lucas, Welsh footballer
- Bill Lucas (baseball), American baseball executive
- Bill Lucas (rower), British rower
Others
- William Lucas (bishop), English Anglican bishop
- William R. Lucas, American space engineer and NASA executive
- Bill Lucas (architect), Australian architect
- William Lucas (actor), British film and television actor
- Bill Lucas (academic), English social entrepreneur and researcher