Line 2 of the Xi'an Metro () is a rapid transit line in Xi'an, Shaanxi Province, China, running from north to south. The line is long with 25 stations. The line is colored <span style="color:#;">red</span> on system maps.
Phase 1 of Line 2 was opened on 16 September 2011 and extended to Weiqunan station on 16 June 2014.
Phase 2 of Line 2 (both Northern and Southern extension) started construction October 31 October 2019, and opened on 27 June 2023.