Roger Williams (disambiguation) explained

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

Roger Williams (Wisconsin politician) (1836–1916), American politician, member of the Wisconsin State Assembly
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

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
Roger Garnons Williams (1891–1961), Welsh cricketer and British Army officer

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
W. Roger Williams (1854–1948), English pathologist, surgeon, cancer researcher and medical writer

Roger Williams Park, Rhode Island, United States
Roger Williams University, Rhode Island, United States
Roger Williams (train), an innovative DMU train introduced by the New York, New Haven and Hartford Railroad in the United States in the 1960s