Whoever Slew Auntie Roo?
- Taon: 1972
- Bansa: United Kingdom
- Genre: Horror, Thriller
- Studio: Hemdale, American International Pictures
- Keyword: new year's eve, kidnapping, brother, christmas tree, sister, orphan, house fire, teddy bear, séance, child kidnapping, fake psychic, older brother younger sister, christmas, orphan siblings, magician, death of a child, hagsploitation
- Direktor: Curtis Harrington
- Cast: Shelley Winters, Mark Lester, Chloe Franks, Ralph Richardson, Lionel Jeffries, Hugh Griffith