Roger Williams (disambiguation)

Roger Williams (1603–1683) was an English theologian, author, and the founder of Rhode Island.

Roger Williams may also refer to:

Arts and entertainment
 Roger Williams (actor) (1898–1964), American film actor  
 Roger Williams (pianist) (1924–2011), American pianist
 Roger Williams (organist) (born 1943), British (Welsh) organist and musicologist
 Roger Ross Williams (born 1962), American television director, producer and writer
 Roger Williams (playwright) (born 1974), Welsh playwright and screenwriter
 Roger Williams (Christian musician) (born 1979), American musician with Roger Williams and the All Mixed-Up Quartet
 Roger Williams (author), American science fiction author

Law and politics
 Roger Williams (Assemblyman) (1836–1916), American politician
 Roger Williams (Georgia politician) (1933–2019), American politician, member of the Georgia House of Representatives
 Roger Williams (British politician) (born 1948), British politician
 Roger Williams (Texas politician) (born 1949), American politician, member of the U.S. House of Representatives from Texas

Military
 Roger Williams (soldier) (1539/40–1595), Welsh soldier of fortune and military theorist
 Roger D. Williams (1856–1925), American army officer
 Roger Q. Williams (1894–1976), American army air force pilot and aviation pioneer

Science and medicine
 Roger Williams (chemist) (1890–1978), American chemist at Du Pont; Perkin Medal recipient
 Roger J. Williams (1893–1988), American biochemist 
 Roger Williams (hepatologist) (1931–2020), British liver specialist
 Roger L. Williams, American structural biologist

Others
 Roger Lawrence Williams (1923–2017), American historian
 Roger Williams (professor), Welsh educationalist