Line 2 of the Guangzhou Metro is a north–south line on the system that runs from Guangzhou South Railway Station to Jiahewanggang, with a total length of 31.4 km (19.51 mi) with 24 stations. All stations in Jiahe Line are underground. Line 2's color is blue.

The Guangzhou Metro is the rapid transit system of the city of Guangzhou in the Guangdong Province of China. It is operated by the state-owned Guangzhou Metro Corporation and was the fourth metro system to be built in mainland China, after those of Beijing, Tianjin, and Shanghai.