Zhang Yan may refer to:

• Empress Zhang Yan (張嫣; died 163 BC), Western Han empress
• Zhang Yan (Han dynasty) (張燕), late Eastern Han bandit chief
• Zhang Quanyi or Zhang Yan (張言; 852–926), Tang dynasty / Five Dynasties warlord
• Zhang Yan (Ming dynasty) (張彥), Ming dynasty painter
• Cheung Yin (張彥), pen name Xi Xi (西西; 1937-2022), Hong Kong writer
• Zhang Yan (oil painter) (张焰; born 1963), Chinese oil painter
• Zhang Yan (biathlete) (born 1992), Chinese biathlete
• Zhang Yan (figure skater) (born 1988), Chinese pair skater
• Zhang Yan (footballer, born 1972), Chinese football player
• Zhang Yan (table tennis) (born 1967), table tennis player
• Zhang Yan (footballer, born 1997), Chinese footballer
• Zhang Yan (born 1917), major general of the People's Liberation Army.