Roberta Ann (R. A.) MacAvoy (born December 13th, 1949) is an Americann author of fantasy and science fiction. Several of her books draw on Celtic themes. She won the John W. Campbell Award for best new writer in 1984.

Selected bibliography:

  • Tea with the Black Dragon (1983)
  • Twisting the Rope (1986)
  • The Damiano series (Trio for Lute): Damiano (1983), Damiano's Lute (1984), Raphael (1984)
  • The Book of Kells (1985)
  • The Grey Horse (1987)
  • The Third Eagle (1989)
  • The Lens of the World series: Lens of the World (1990), King of the Dead (1991), The Belly of the Wolf (1993)