Liu Yin may refer to:

• Liu Yan (Bosheng) (died 23 AD), rebel leader against the Xin dynasty, name also romanized as Liu Yin
• Liu Yin (Han-Zhao) (died 329), Imperial prince of the Han Zhao state
• Liu Yin (Southern Han) (874–911), Late Tang Dynasty official and older brother of the founder of the Southern Han kingdom
• Liu Rushi (Liu Yin; 1618–1664)), Ming Dynasty Chinese courtesan
• Liu Yin (curler) (born 1981), Chinese curler
• Liu Yin (swimmer) (born 1984), Chinese swimmer
• Liu Yin (speed skater) (born 1989), speed skater