Namesakes
Chinese Emperors:
1 empress
Empress Wu Zhao 690-705 
Notable Actors and Actresses:
1 actor, 1 actress
Ping Wu 1956-
Constance Wu 1982-
Olympic Medalists:
4 silver, 1 bronze, 1 gold, 1 silver/bronze, 1 silver/bronze/gold
(silver) Wu Shih-hsih 1992 baseball
(bronze) Wu Huiju 2004 archery - team
(silver) Melissa Wu 2008 diving - synchronized platform
(silver/bronze/gold) Wu Minxia 2004; 2008; 2012 diving - synchronized springboard; diving - springboard
(silver) Wu Yiwen 2012 synchronized swimming
(gold) Wu Jingyu 2008; 2012 taekwondo
(silver) Wu Jingbiao 2012 weightlifting
(silver/bronze) Wu Dajing 2014 speed skating