| Catherine Dumas | |
| Office: | Senator for Paris |
| Term Start: | 2 October 2017 |
| Term Start1: | 30 November 2007 |
| Term End1: | 30 September 2011 |
| Office2: | Member of the |
| Term Start2: | 18 December 2015 |
| Term End2: | 2 November 2017 |
| Office3: | Councillor of Paris |
| Term Start3: | 23 March 2001 |
| Constituency3: | 17th arrondissement |
| Birth Date: | 13 July 1957 |
Catherine Dumas (born 13 July 1957) is a French politician who has represented Paris in the Senate since 2017, previously holding a seat from 2007 to 2011. A member of The Republicans (LR), she has also been a Councillor of Paris since 2001.
Dumas entered the Senate in 2007 following the resignation of Philippe Goujon, who had been elected to the National Assembly. She was elected a Senator in her own right in 2017 and reelected in 2023.