Mark Soo Chang (born July 9, 1976) is an American politician who has served as a member of the Maryland House of Delegates representing District 32 since 2015.

[5] Chang was replaced by County Executive Laura Neuman after she took office following Leopold's corruption conviction and subsequent resignation,[6] and he subsequently worked as a legislative aide to state senator James E. DeGrange Sr.[4] In 2014, Chang again ran for the Maryland House of Delegates in District 32, this time as a Democrat.

[1] On December 5, 2023, Chang announced that he would run for Congress in Maryland's 3rd congressional district, seeking to succeed retiring U.S. Representative John Sarbanes.

[9] In March 2021, Chang expressed concern following the 2021 Atlanta spa shootings[10] and later attended and spoke at a rally at the Lincoln Memorial honoring the victims.

[11] During the 2016 legislative session, Chang voted to override Governor Larry Hogan's veto on a bill to provide $2 million toward Maryland Hall for the Creative Arts renovations.