| State Senate: | Montana |
| District: | 46th |
| Term Start: | 2004 |
| Term End: | 2012 |
| Successor: | Sue Malek |
| Party: | Democratic |
| Birth Date: | 3 September 1949 |
| Birth Place: | Butte, Montana, U.S. |
| Spouse: | Pat Williams |
| Alma Mater: | University of Montana Western |
Carol Griffith Williams is a Democratic member of the Montana Senate. She represented District 46 from 2004 to 2012. In 2011, she was the Leader of the Democratic Caucus. She is the first woman to hold the position of majority leader in Montana history. She was previously a member of the Montana House of Representatives from 1999 through 2000.
In 2000, she ran for lieutenant governor of Montana. She and the governor nominee, Mark O'Keefe, lost in the general election to Judy Martz.
Her husband, Pat Williams, is a former member of congress from Montana.