| Guan Siyang | |
| Birth Date: | 30 March 1991 |
| Country: |  |
| Sport: | Track and field |
| Event: | long-distance running |
| Show-Medals: | yes |
| Updated: | 29 August 2015 |
Guan Siyang (Chinese: 关思杨; born 30 March 1991 in Inner Mongolia) is a male Chinese long-distance runner. He competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China.[1]