Who has won the Best Director Oscar twice?

Frank Borzage for Seventh Heaven (1927) and Bad Girl (1931).

Lewis Milestone for Two Arabian Knights (1927) and All Quiet on the Western Front (1930).

Frank Lloyd of Drag (1929) and Cavalcade (1933).

Leo McCarey for The Awful Truth (1937) and Going My Way (1944).

Joseph L. Mankiewicz for A Letter to Three Wives (1949) and All About Eve (1950).

Billy Wilder for The Lost Weekend (1945) and The Apartment (1960).

Elia Kazan for Gentleman's Agreement (1947) and On the Waterfront (1954).

George Stevens for A Place in the Sun (1951) and Giant (1956).

David Lean for The Bridge on the River Kwai (1957) and Lawrence of Arabia (1962).

George Wise for West Side Story (1961) and The Sound of Music (1965).

Fred Zinnemann for From Here to Eternity (1953) and A Man of All Seasons (1966).

Milos Forman for One Flew Over the Cuckoo's Nest (1975) and Amadeus (1984).

Oliver Stone for Platoon (1986) and Born on the Fourth of July (1989).

Steven Spielberg for Schindler's List (1993) and Saving Private Ryan (1998).

Clint Eastwood for Unforgiven (1992) and Million Dollar Baby (2004).

Three-time winners for directing:

Frank Capra for It Happened One Night (1934), Mr. Deeds Goes to Town (1936) and You Can't Take It With You (1938).

William Wyler for Mrs. Miniver (1942), The Best Years of Our Lives (1946) and Ben-Hur (1959).

Four-time winner for directing:

John Ford for The Informer (1935), The Grapes of Wrath (1940), How Green Was My Valley (1941) and The Quiet Man (1952).

First answer by Marcy. Last edit by Yonatandoron. Contributor trust: 80 [recommend contributor]. Question popularity: 32 [recommend question]