Heungdeok District () is a non-autonomous district of Cheongju, North Chungcheong Province, South Korea. Heungdeok District was re-established from a part of Heungdeok District and a part of Cheongwon County in July 2014. The newly created Seowon District annexed the part of Heungdeok District.
Heungdeok District is divided into one town (eup), 2 townships (myeon), and 8 neighborhoods (dong).
Aero K has its headquarters in , Heungdeok District.