Weihai Nanhai Port is a port located in Weihai City, Shandong Province, China. It belongs to one of the important coastal ports in China, and is also a national first-class open port. Located in the south of Weihai, it is an important maritime gateway of Weihai.

Weihai Nanhai Port enjoys superior geographical location and natural conditions, with a vast sea area and numerous natural and artificial ports, such as Simatai Port and Jinghai Port. These ports are endowed with natural conditions such as deep-water channels and wind and waves avoidance, which make Nanhai Port one of the important maritime hubs in Northeast Asia.

In addition, Nanhai Port in Weihai is a convenient seaport for China to South Korea, Japan, North Korea and Southeast Asian countries, and an important channel for foreign trade in Weihai and its surrounding areas.