Appa or APPA may refer to:
Organizations
- American Pet Products Association, an industry association in the United States
- American Psychopathological Association, a scientific professional organization
- American Philosophical Practitioners Association, a non-profit educational organization
- American Public Power Association, an energy trade organization
Entertainment
- Appa (band), a Japanese rock band formed in 2004
- Appa (character), a creature from the television program Avatar: The Last Airbender
- Appa, a character played by Shivkumar Subramaniam in the 2016 Indian film Tu Hai Mera Sunday
- Appa (judge royal), Hungarian noble from the 12th century
- Appa (rapper) (born 1983), Moroccan-Dutch rapper
- Appa (2016 film), a 2016 Indian Tamil language film
- Appa 2, its upcoming sequel
- Appa (2019 film), a 2019 Nepali language film
Other uses
- Appa, name of two trading posts of the Dutch West India Company in Benin, see Dutch Slave Coast
See also
- Appam, a type of pancake
- Appan (disambiguation)
- Swami Ayyappan (disambiguation)