Heather Alice Bagnall Tudball (born January 17, 1974) is an American politician from the Democratic Party and is a member of the Maryland House of Delegates representing parts of Anne Arundel County.

[1] Bagnall was born in Washington, D.C. She graduated from Broadneck High School and attended Wagner College and Towson University, where she received a Bachelor of Science degree in theatre performances.

[6] Bagnall won the general election in an upset[7] on November 6, 2018, placing third and edging out incumbent state delegate Tony McConkey by a margin of 185 votes.

She is the first Democrat and the first woman[8] to represent District 33 in the Maryland General Assembly since the retirement of state delegate Marsha G. Perry in 1998.

[13] During the 2021 legislative session, Bagnall supported a bill that would allow minors 12-years-old and older to seek mental health care without parental consent.

[18] In February 2020, Bagnall was the only Democrat to vote for an Anne Arundel County bill that would have withheld tax refunds from individuals with outstanding warrants.