Charles Cromwell Williams (February 9, 1896 – January 31, 1975) was a railway worker and political figure in Saskatchewan, Canada.
He represented Regina City in the Legislative Assembly of Saskatchewan as a Co-operative Commonwealth Federation (CCF) member from 1944 to 1964.
Williams was born in Moosomin, Saskatchewan and was educated in Wapella and at Brandon College.
On his return, he worked as a station agent for the Grand Trunk Railway in the Canadian prairies, moving to Regina in 1931.
Williams ran unsuccessfully for a seat in the provincial assembly in a 1938 by-election.