Davies is the surname of a wizarding family that lived in Great Britain. The blood status of the family is unknown. From the 1980s until the 1990s, three known members of this family attended Hogwarts School of Witchcraft and Wizardry
- Roger Davies attended Hogwarts from 1989 to 1995 and was sorted into Ravenclaw. He was a chaser and captain of the house's Quidditch team.
- Davies attended Hogwarts during the 1990s. He attempted to enter the girls toilets in 1996, and was subsequently scolded by Minerva McGonagall.
- Harry Potter and the Prisoner of Azkaban (First appearance)
- Harry Potter and the Goblet of Fire
- Harry Potter and the Goblet of Fire (film)
- Harry Potter and the Order of the Phoenix
- Harry Potter and the Half-Blood Prince (film) (Mentioned only)
- Harry Potter and the Deathly Hallows (Appears in flashback(s))
- Harry Potter: Quidditch World Cup
- Harry Potter: Hogwarts Mystery