Namesakes
Chinese Emperors:
2 emperors
Emperor Liu Hong 184-180 BC 
Emperor Liu Hong 168-189
Notable Actors and Entertainers:
1 actor
Hong Chau 1979-
Olympic Medalists:
1 bronze/gold, 1 gold, 1 silver, 1 silver/gold/bronze
(silver) Wang Hong 1992 archery - team
(bronze/gold) Qian Hong 1988; 1992 swimming - 100 m butterfly
(silver/gold/bronze) Liu Hong 2012; 2016; 2020 20 km walk
(gold) Zhang Hong 2014 speed skating