Liu Yan may refer to:

• Liu Yan (Xin dynasty) (died 23 AD), rebel leader against the Xin dynasty
• Liu Yan (Han dynasty warlord) (died 194), Eastern Han nobleman and warlord
• Liu Yan (Shu Han) (died 234), general of Shu Han during the Three Kingdom period
• Liu Yan (Tang dynasty) (715/716–780), Tang dynasty chancellor
• Liu Yan (emperor) (889–942), founding emperor of Southern Han during the Five Dynasties and Ten Kingdoms period
• Liu Yan (actress) (born 1980), Chinese actress, hostess and singer
• Liu Yan (dancer) (born 1982), female Chinese dancer
• Liu Yan (figure skater) (born 1984), female Chinese figure skater
• Liu Yan (chess player) (born 2000) in World Youth Chess Championship
• Liu Yan (scientist), Antarctic researcher

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