The best mystery films of 1971

9 mystery films from 1971, ranked by a 0–100 score from IMDb ratings, critics, major awards and box office, compared with every film from the same year.

1. Klute Score 60.7 · IMDb 7.1 · Tomatometer 92% · Metascore 81 · Thriller, Crime, Drama
2. The Andromeda Strain Score 53.7 · IMDb 7.2 · Tomatometer 68% · Metascore 60
3. The Hospital Score 49.6 · IMDb 7.1 · Tomatometer 100% · Metascore 72
4. A Lizard in a Woman's Skin Score 46.1 · IMDb 6.8 · Tomatometer 100%
5. The Strange Vice of Mrs. Wardh Score 36.5 · IMDb 6.9
6. A Bay of Blood Score 31.8 · IMDb 6.4 · Tomatometer 81%
7. Four Flies on Grey Velvet Score 30.8 · IMDb 6.5 · Tomatometer 67%
8. The Cat o' Nine Tails Score 30.2 · IMDb 6.6 · Tomatometer 81% · Metascore 63
9. Let's Scare Jessica to Death Score 25.1 · IMDb 6.4 · Tomatometer 50% · Metascore 58