Date of Birth: 
About Gu Siyu
- Gu Siyu (Chinese: ???; born 11 February 1993) is a Chinese track and field athlete who competes in the discus throw and formerly the shot put.
- She holds a discus personal best of 67.86 m (222 ft 7 1/2 in) and a shot put best of 16.59 m (54 ft 5 in).
- She was a double Asian junior champion in 2010 and represented her country at the 2013 World Championships in Athletics.
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