Liang Caixia (Chinese: ???; pinyin: Liáng Caixiá; Cantonese Yale: Leung4 Choi2 Ha4; born September 20, 1981 in Xinhui, Jiangmen, Guangdong) is a female Chinese modern pentathlete who competed at the 2004 Summer Olympics.
She finished 29th in the women's competition.