| Mary Helen Roberts | |
| State House: | Washington |
| District: | 21st |
| Term Start: | January 10, 2005 |
| Term End: | January 12, 2015 |
| Predecessor: | Mike Cooper |
| Successor: | Strom Peterson |
| Birth Date: | 14 September 1947 |
| Birth Place: | Portland, Oregon |
| Party: | Democratic |
| Residence: | Lynnwood, Washington |
| Alma Mater: | Oregon State University, UCLA |
Mary Helen Roberts (born September 14, 1947) is an American politician who is a member of the Democratic Party. She is a former member of the Washington House of Representatives, representing the 21st district from 2005 to 2015.[1] She did not seek re-election in 2014 and was succeeded by Strom Peterson.
Born in Portland, Oregon, Roberts spent her childhood in Portland, Corvallis, Oregon and Southern California. After graduating from high school, she spend one year at Oregon State University and then transferred to UCLA, from where she graduated.[2]