Nam Wan (Chinese: 南灣; lit. 'South Bay') is a bay south of Sai Tso Wan, Tsing Yi Island, Hong Kong. It is at one end of Nam Wan Tunnel.

"Nam Wan" means South Bay in Cantonese.

22°20′24″N 114°05′54″E / 22.3399°N 114.0982°E / 22.3399; 114.0982