Namesakes
Notable Scientists and Inventors:
1 inventor
Cai Lun 50-121 
Olympic Medalists:
1 bronze, 1 silver, 1 silver/gold
(bronze) Cai Huijue 1996 swimming - 4x100 m medley relay
(silver/gold) Cai Yun 2008; 2012 badminton doubles
(silver) Cai Zelin 2016 20 km walk