Deltora Quest may refer to:
- Deltora Quest (book series), collectively, three series of children's fantasy books by Emily Rodda, as well as the companion books to the series
- Deltora Quest (Deltora Quest 1), the original eight-book series
- Deltora Shadowlands (Deltora Quest 2), the second series (three books)
- Dragons of Deltora (Deltora Quest 3), the third and final series (four books)
- Deltora Quest (anime), Japanese anime series based on Rodda's book series