Appayya or Appaiah is an Indian name, and may refer to:

  • Appaya (film), a Kannada romance film written, directed and co-produced by S. Narayan
  • Appayya Dikshita, an expositor and practitioner of the Advaita Vedanta school of Hindu philosophy
  • Appayya Swamigalu, a Guru and Sanyasi from Kodagu