Tom is a given name that can refer to:
- Tom, the landlord of The Leaky Cauldron
- Tom Monk, the son of Dave and Tilly Monk, and twin of Jack Monk
- Tom Marvolo Riddle, son of Tom Riddle Sr. later to be known as Lord Voldemort
- Tom Riddle Sr., the father of Tom Marvolo Riddle and son of Thomas Riddle
Behind the scenes[]
Real-world individuals with the given name Tom include:
- Tom Attenborough, voiced Harry Potter in the video game adaptations of Harry Potter and the Chamber of Secrets and Harry Potter and the Prisoner of Azkaban
- Tom Felton, the actor who portrays Draco Malfoy in the Harry Potter films
- Tom Goodman-Hill, voiced Harry Potter in the video game adaptations of Harry Potter and the Prisoner of Azkaban and Harry Potter and the Goblet of Fire
- Tom Hazeldine, provided the voice for a dragon handler in the video game adaptation of Harry Potter and the Goblet of Fire
- Tom Knight, portrayed Hermione Granger's father in the film adaptation of Harry Potter and the Chamber of Secrets
- Tom Moorcroft, is the actor who played the role of Regulus Arcturus Black in the film adaptation of Harry Potter and the Half-Blood Prince