Dennis Williams

Dennis Williams may refer to:

• Dennis A. Williams (born 1952), former New Zealand rugby international
• Dennis E. Williams (born 1959), Delaware state representative from the 10th district
• Dennis P. Williams (born 1953), Delaware state representative from the 1st district, and candidate for the Wilmington mayoralty
• Dennis Williams (ice hockey) (b. 1979), Canadian ice hockey coach
• Denis Williams (1923–1998), Guyanese painter, author, and archeologist