Oprah Gail Winfrey, also known mononymously as Oprah, is an American talk show host, television producer, actress, author, and media proprietor. She is best known for her talk show, The Oprah Winfrey Show, broadcast from Chicago, which ran in national syndication for 25 years, from 1986 to 2011. Dubbed the "Queen of All Media", she was the richest African-American of the 20th century and was once the world's only black billionaire. By 2007, she was often ranked as the most influential woman in the world.

The Oprah Winfrey Show, often referred to as The Oprah Show or simply Oprah, is an American daytime syndicated talk show that aired nationally for 25 seasons from September 8, 1986, to May 25, 2011, from Chicago, Illinois. Produced and hosted by Oprah Winfrey, it remains the highest-rated daytime talk show in American television history.