A top hat is a type of hat, characterised by its broad brim and high, flat-crowned top.
In 1993, Harry Potter, Hermione Granger and Ronald Weasley came across a Transforming rabbit, a magical breed of rabbit with the ability to transform into a silk black top hat, in the Magical Menagerie, Diagon Alley.
- Harry Potter and the Philosopher's Stone
- Harry Potter and the Philosopher's Stone (film)
- Harry Potter and the Prisoner of Azkaban
- Fantastic Beasts and Where to Find Them (film) (Mentioned in a newspaper)