The Guangzhou Metro () is the metro system of Guangzhou, Guangdong in China. It is operated by the Guangzhou Metro Corporation. It was the fourth metro system that was built in mainland China. The Guangzhou Metro was planned many times. The planning of the metro began in the 1980s and in 1993 the construction of the first line began. In 1997 the metro opened. The first line was Line 1.