Potou District is a district located in the city of Zhanjiang within the southwestern region of Guangdong Province, People's Republic of China. It faces the island of Hainan to the south.
The area is identified by its local names including Pōtóu qū in pinyin and Pho-thôu kheu in Leizhou Min. It serves as a geographical component of the Zhanjiang municipal administration.