Liu Yu is the name of:
Han dynasty
Liu Yu, Prince of Lu (劉餘; died 128 BC), Western Han prince, son of Emperor Jing
Liu Yu (Ziqi) (劉瑜), style name Ziqi (子奇), Eastern Han official
Liu Yu (warlord) (劉虞; died 193), Eastern Han nobleman and warlord
Jin dynasty
Liu Yu (Western Jin), Jin official
Liu Song dynasty
Emperor Wu of Song (363–422), personal name Liu Yu (劉裕), founder of Liu Song
Emperor Ming of Song (439–472), personal name Liu Yu (劉彧) and grandson of Emperor Wu
Emperor Houfei of Song (463–477), personal name Liu Yu (劉昱) and son of Emperor Ming
Song dynasty
Liu Yu (Song dynasty) (劉豫; 1073–1146), Qi puppet emperor installed by Jin dynasty (1115–1234)
Contemporary people
Liu Yu (political scientist) (刘瑜; born 1975), Chinese writer and political scientist
Liu Yu (swimmer) (born 1982)
Liu Yu (para swimmer) (born 1989), double Paralympic gold medal swimmer
Liu Yu (footballer) (刘宇; born 1985)
Liu Yu (baseball) (born 1991), Chinese baseball player
Liu Yu (singer) (born 2000), Chinese singer
Yu Liu (professor), American historian, professor and Guggenheim Fellow
Yu Liu (entrepreneur) (刘禹; born 1986)
Yu Liu (golfer), Chinese golfer