Appu is a common nickname in India for the feminine given names Apurva, Apeksha, Aparna, Aparijita. It is also a masculine nickname, but prevalent mostly in the southern region of India.

It may also refer to:

• Appu (Hurrian), a character in Hurrian mythology
• Appu, an Indian elephant, mascot of the 1982 Asian Games in Delhi

• Appu (2000 film), an Indian Tamil-language film by Vasanth
• Appu (2002 film), an Indian Kannada-language film by Puri Jagannath

• Appu Nedungadi (1863–1933), India writer in Malayalam
• Appu Kuttan (born 1941), Indian-American philanthropist, consultant, and author
• Puran Appu (1812–1848), Sri Lankan independence activist
• P. S. Appu (1929–2012), Indian civil servant
• Puneeth Rajkumar, (1975–2021), Indian actor, colloquially known as Appu

• Apu (disambiguation)
• Appu Chesi Pappu Koodu, a 1958 Indian Telugu-language film
• Asian-Pacific Postal Union (APPU), an International organisation
• Asian-Pacific Parliamentarian's Union (APPU), an International organisation
• Appukutty (born 1984), Indian actor and comedian

This disambiguation page lists articles associated with the title Appu.
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