Tathong Channel (), also known as Nam Tong Hoi Hap (, originally ), refers to the eastern sea water area in Hong Kong leading into Victoria Harbour through Lei Yue Mun, bounded by Junk Island (Fat Tong Chau) and Tung Lung Chau in the east, and Hong Kong Island in the west.
On the 2nd of September 1977, a Transmeridian Air Cargo Canadair CL-44 lost control shortly after taking of from Kai Tak Airport due to a fire on the no. 4 engine with it crashing into the Tathong Channel killing 4 crew onboard.