Walter Elias "Walt" Disney (December 5, 1901–December 15, 1966) was an American film producer, director, screenwriter, voice actor, animator, entrepreneur, entertainer, and philanthropist, well-known for his influence in the field of entertainment during the 20th century. Along with his brother Roy O. Disney, he was co-founder of Walt Disney Productions, which later became one of the best-known motion picture producers in the world. The corporation is now known as The Walt Disney Company and had an annual revenue of approximately $36 billion in the 2010 financial year.

Disney is particularly noted as a film producer and a popular showman, as well as an innovator in animation and theme park design. He and his staff created some of the world's most well-known fictional characters including Mickey Mouse, for whom Disney himself provided the original voice. During his lifetime he received four honorary Academy Awards and won twenty-two Academy Awards from a total of fifty-nine nominations, including a record four in one year, giving him more awards and nominations than any other individual in history. Disney also won seven Emmy Awards and gave his name to the Disneyland and Walt Disney World Resort theme parks in the U.S., as well as the international resorts Tokyo Disney, Disneyland Paris, and Disneyland Hong Kong.

The year after his December 15, 1966 death from lung cancer in Burbank, California, construction began on Walt Disney World Resort in Florida. His brother Roy Disney inaugurated the Magic Kingdom on October 1, 1971.