DOU or Dou may refer to:
Douglas MacArthur (26 January 1880 – 5 April 1964) was an American five-star general and field marshal of the Philippine Army.
A doughnut or donut (both: /ˈdoʊnət/ or /ˈdoʊnʌt/; see spelling differences) is a type of fried dough confectionery or dessert food.
The Douglas A-4 Skyhawk is a single seat subsonic carrier-capable attack aircraft developed for the United States Navy and United States Marine Corps in the early 1950s.
The Douglas DC-8 (also known as the McDonnell Douglas DC-8) is a four-engine long-range narrow-body jet airliner built from 1958 to 1972 by the Douglas Aircraft Company.
The Douglas A-26 Invader (designated B-26 between 1948 and 1965) is a twin-engined light bomber and ground attack aircraft that was built by Douglas Aircraft Company during World War II which also saw service during several major Cold War conflicts.
Double-entry bookkeeping, in accounting, is a system of bookkeeping so named because every entry to an account requires a corresponding and opposite entry to a different account.
Douglas Noel Adams (11 March 1952 – 11 May 2001) was an English author, scriptwriter, essayist, humorist, satirist and dramatist.
The Douglas A-1 Skyraider (formerly AD) is an American single-seat attack aircraft that saw service between the late 1940s and early 1980s.