Lei Yue Mun (traditional Chinese: 鯉魚門, Pinyin: Liyumen, literally "Carp's channel") (a.k.a. Lyemun, Lye Moon Passage , Ly-ee-moon Passage), is a short channel between Junk Bay and Victoria Harbour, separating Kowloon and Hong Kong Island, of Hong Kong.
The lands around the channel are also called Lei Yue Mun. On Kowloon side, it is famous for its seafood market and restaurants in the fishing villages. On the Hong Kong Island side, it has former military defence facilities.
The channel is an important passage on the South China coastal sea route. It is the east gate of Victoria Harbour.