| Native Name: | 西安地铁9号线 |
| Native Name Lang: | zh-cn |
| Type: | Rapid transit |
| System: | Xi'an Metro |
| Status: | Operational |
| Locale: | Xi'an, Shaanxi, China |
| Stations: | 15 |
| Open: | [1] |
| Operator: | Xi'an Metro Corporation |
| Linelength: | 25.2km (15.7miles) |
| Tracks: | 2 |
Line 9 of Xi'an Metro is a metro line in Xi'an, Shaanxi, China, which opened in 2020.[1]