Line 6 () is a subway line of the Hangzhou Metro, in Zhejiang, China. The line runs from (in Xihu District) and (in Fuyang District), merging at station, stretching through the south bank of Qiantang River before turning northwest and ending at . It connects Fuyang District with Binjiang District, Hangzhou Olympic Expo Center, Qianjiang Century City and Hangzhou East railway station. The line is long.
Phase 1 and Fuyang Section was opened on 30 December 2020. Phase 2 opened on 6 November 2021. The line's color is <span style="color:#">blue</span>. In future planning, the stations from Shuangpu to Xiaming Street will merge to Line 12.