Huilongguan Dongdajie station () is an interchange station between Line 8 and Line 18 of the Beijing Subway. It is located at the border of Huoying and Longzeyuan Subdistricts, Changping District, Beijing.
The Line 8 station was opened on December 31, 2011, as part of the extension of Line 8 to the north from Forest Park South Gate station to Huilongguan Dongdajie station. It was the northern terminus of the line until December 28, 2013, when the line was extended further north to Zhuxinzhuang station.
Line 18 opened at this station on December 27, 2025.
The station has underground island platforms for both Line 8 and Line 18.
There are 6 exits, lettered A, B, C, D, E and F. Exit F is accessible via an elevator.