Date of Birth: 
About Cai Weiyan
- Cai Weiyan (Chinese: ???; born 25 October 1973 in Anhui) is a retired athlete who specialised in the pole vault.
- She won the bronze medal at the 1997 World Indoor Championships and the silver at the 1997 Summer Universiade. Her personal bests are 4.33 metres outdoors (Shenzhen 1996) and 4.35 metres indoors (Paris 1997).
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