Debra J. Heffernan (born April 8, 1962) is an American politician.
[1][2] Heffernan earned her BS in biology from the University of Delaware and her MS in environmental toxicology from Duke University.
Heffernan is a part of the centrist wing of the Delaware Democratic Party.
She supported centrist US Senator Tom Carper in the 2018 US Senate election in Delaware over progressive challenger Kerri Evelyn Harris.
[3] In 2022, she defeated progressive challenger Becca Cotto in the Democratic primary.