Montgomery was the surname of a wizarding family. Their blood status is unknown, but since one member of the family, Mrs. Montgomery, refused to give aid to the Death Eaters, it seems likely that they opposed the notion of pure-blood supremacy.
- Mrs. Montgomery — mother of two daughters and one son
- Montgomery sisters — two witches who attended Hogwarts School of Witchcraft and Wizardry in the 1990s
- Montgomery — five-year-old boy killed by the werewolf Fenrir Greyback in 1997
- Phillip Montgomery — a Ravenclaw student at Hogwarts in the 1990s