Redback spiders are a species of common house spider, so named because the female has a prominent red stripe on the abdomen. They are able to temporarily paralyse their victims. They are particularly vulnerable to the Fire-Making Spell, but are resistant towards the Knockback Jinx.
- Harry Potter and the Chamber of Secrets (video game) (First appearance)
- Harry Potter and the Prisoner of Azkaban (video game) (GBA version only)