Paranoiac
- År: 1963
- Land: United Kingdom
- Genre: Thriller, Gyser
- Studio: Hammer Film Productions, The Rank Organisation
- Nøgleord: suicide attempt, aunt, psychological thriller, impostor
- Direktør: Freddie Francis
- Cast: Janette Scott, Oliver Reed, Sheila Burrell, Maurice Denham, Alexander Davion, Liliane Brousse