Picture of the Year: Slumdog Millionaire 7 wins

Picture of the Year: Slumdog Millionaire, 7 wins.
Actor of the Year: Sean Penn in Milk, 6 wins.
Actress of the Year: Sally Hawkins in Happy-Go-Lucky, 5 wins.
Supporting Actor of the Year: Heath Ledger in The Dark Knight, 7 wins.
Supporting Actress of the Year: Penélope Cruz in Vicky Cristina Barcelona, 6 wins.
Director of the Year: Danny Boyle for Slumdog Millionaire, 7 wins.
Adapted Screenplay of the Year: Simon Beaufoy for Slumdog Millionaire, 6 wins.
Original Screenplay of the Year: Dustin Lance Black for Milk, 3 wins.
Cinematography of the Year: Slumdog Millionaire, 5 wins.
Art Direction of the Year: The Curious Case of Benjamin Button, 3 wins.
Costume Design of the Year: The Duchess, 4 wins. Original Score of the Year: Slumdog Millionaire, 6 wins.
Original Song of the Year: "The Wrestler" from The Wrestler, 2 wins.
Film Editing of the Year: Slumdog Millionaire, 3 wins.
Sound Mixing & Editing of the Year: The Dark Knight and Slumdog Millionaire, 4 wins each.
Visual Effects of the Year: The Curious Case of Benjamin Button, 6 wins.
Makeup Design of the Year: The Curious Case of Benjamin Button, 2 wins.
Animated Feature of the Year: WALL-E, 9 wins.
Foreign Film of the Year: Waltz with Bashir, 2 wins.
Documentary Feature of the Year: Man on Wire, 10 wins.
New Director of the Year: Courtney Hunt for Frozen River and Steve McQueen for Hunger, 2 wins each.

The top winner was (no big surprise) Slumdog Millionaire, with wins in 7 categories, while the documentary Man on Wire won the most awards in any category, with 10 total. It is also worth noting that Kate Winslet won a total of 5 awards for her performance in The Reader, 2 for Best Actress and 3 for Best Supporting Actress.