- The King's Players by Telepwen (Gen; Grindelwald, OCs; PG-13) (Note: This was written before Grindelwald's first name was revealed in canon, so he has a different first name.)
- The Monologue Series: When They Were Young by Miss Kneazle (Gen; Grindelwald, Dumbledore; PG-13) (Note: This was written before Grindelwald's first name was revealed in canon, so he has a different first name.)