Line 8 of Xi'an Metro () is a loop line in Xi'an, Shaanxi Province, China. It opened on 26 December 2024. The line is in length with 37 stations. The line is colored yellow on system maps.
The construction of Line 8 started on 30 October 2019, and was finished in late June 2024 After various trial operations without passengers, a trial ride was open to the public on 22 December 2024, and formal operations started on 26 December 2024.