Namesakes
Chinese Emperors:
2 emperors
Emperor Liu Yang 57-75 
Emperor Yang Guang (a.k.a. Yang) 604-618
Olympic Medalists:
1 bronze/gold/silver, 1 gold, 1 gold/bronze
(gold/bronze) Yu Yang 2008 badminton doubles; badminton mixed doubles
(bronze/gold/silver) Sun Yang 2012 swimming
(gold) Zhou Yang 2010; 2014 speed skating