Wang Yu may refer to:

• Wang Yu (chancellor) (died 768), chancellor of Tang Dynasty
• Jimmy Wang Yu (1943–2022), Taiwanese-Hong Kong martial arts actor
• Wong Yue (1955–2008), Hong Kong martial arts film actor
• Wang Yu (filmmaker), Chinese director and cinematographer, active since the 1990s
• Wang Yu (general) (born 1964), People's Liberation Army Navy admiral
• Wang Yu (lawyer) (born 1971), Chinese human rights lawyer
• Wang Yu (tennis) (born 1981), Chinese tennis player
• Wang Yu (chess player) (born 1982), chess player from China
• Wang Yu (high jumper) (born 1991), Chinese high jumper
• Wang Yu (footballer) (born 2002), Chinese football player

• Wang You (Wang Yu in Wade–Giles, 1910–1997), Chinese biochemist