Roger Williams may refer to:

• Roger Williams (soldier) (1539/1540–1595), Welsh soldier of fortune
• Roger Williams (theologian) (1603–1683), English theologian, co-founder of Rhode Island
• Roger Williams (chemist) (1890–1978), chemist at Du Pont, Perkin Medal recipient
• Roger J. Williams (1893–1988), American biochemist
• Roger Q. Williams (1894–1976), American aviator
• Roger Williams (pianist) (born 1924), American pianist
• Roger Williams (UK politician) (born 1948), British politician
• Roger Williams (US politician) (born c. 1950), American politician
• Roger Williams (professor), Welsh educationalist
• Roger Williams (hepatologist), British liver specialist
• Roger Williams (playwright) (born 1974), Welsh playwright

Roger Williams may also refer to:

• Roger Williams Park, Rhode Island, United States
• Roger Williams University, Rhode Island, United States

This disambiguation page lists articles associated with the same personal name. If an article link led you here, you may wish to change the link to point directly to the intended article.