Joel and Ethan Cohen equaled that accomplishment in 2007 when they shared the Oscar for directing No Country for Old Men.They were also nominated together in 2010 for True Grit.

No other film has had co-winners as Best Director, although
Films that were nominated as Best Picture with multiple credited directors include:

• The Adventures of Robin Hood (1938; Michael Curtiz and William Keighly)
• Pygmalion (1938; Anthony Asquith and Leslie Howard)
• Mister Roberts (1955; John Ford and Mervyn LeRoy)
• The Longest Day (1962; Ken Annakin, Andrew Marton, and Bernhard Wicki)
• How the West Was Won (1963; John Ford, Henry Hathaway, George Marshall, and Richard Thorpe)
• Heaven Can Wait (1978; Warren Beatty and Buck Henry)
• Little Miss Sunshine (2006; Jonathan Dayton and Valerie Faris)

Only Heaven Can Wait received a Best Director nomination to go with its Best Picture nod, losing both awards to The Deer Hunter..