Mary Ann Dunwell is an American politician in the Montana Senate. She served as a Democratic member of the Montana House of Representatives for District 84.
Dunwell was born in 1954 in Wilmington, Delaware. She earned a Bachelor of Arts in speech and communications.
Dunwell was elected to the Montana House of Representatives in 2014, and assumed office in January 2015.
Dunwell lives in Helena, Montana. She has one son.