The god father 2

Sci-Fi - Blade Runner
Action - Smoking Aces
Fantasy - LotR
Comedy - Princess Bride (fantasy)
Western - Tombstone
Horror - The Thing (80s)
Psychological - In the Mouth of Madness (horror)
Comic - Avengers
Asian - Host (horror)
Animated - Last Airbender (series not movie)
German - Downfall
Spanish- Orphanage (horror)
Mobster- Goodfellas (yeah I know God Father is great)
French- Baxter (horror?)

These are just some that "first" come to mind. They may or may not be "the best" but they are in the top 10 for sure.

Wages of Fear