Most Oscars won by a film
Who
Titanic (1997), Ben Hur (1959), The Lord of the Rings: The Return of the King (2003)
What
11 total number
Where
United States (Los Angeles)
When
1960

Three films have won 11 Oscars. The first to achieve the record was Ben-Hur (USA 1959) which won from 12 nominations on 4 April 1960, followed by Titanic (USA 1997) from 14 nominations on 23 March 1998 and The Lord of the Rings: The Return of the King (NZ/USA 2003) which won all 11 of its nominations on 29 February 2004.

Ben-Hur won with: Best Picture; Best Director; Best Actor; Best Supporting Actor; Cinematography; Art Direction; Sound; Music Score; Film Editing; Special Effects; Costume and loosing out to Room at the Top for Screenplay based on material from another medium.

Titanic received awards for: Best Picture, Best Director, Cinematography, Art Direction, Costume, Visual Effects, Sound, Sound Effects Editing, Film Editing, Original Dramatic Score, Original Song and losing out on Best Actress, Supporting Actress and Makeup.

The Lord of the Rings: The Return of the King walked away with: Best Picture, Best Director, Art Direction, Costume Design, Visual Effects, Sound, Editing, Makeup, Screenplay Based on Material Previously Produced or Published, Original Score and Original Song