Liu Jiayu (Chinese: 刘佳宇; born September 17, 1992 in Hegang) is a snowboarder whose specialization is the half-pipe. She has six World Cup Victories and a halfpipe victory at the FIS Snowboarding World Championships 2009. She began snowboarding in 2003, switching over from martial arts at the relatively late age of 11. Liu competed for China at the 2010 Winter Olympics, where she achieved 4th place.
Liu is originally from Hegang, but moved to Harbin for winter-sports training. Her nickname is Birdie.