Olaf Wieghorst (April 30, 1899 in Viborg, Denmark – April 27, 1988 in California, United States) was a painter of the American West in the vein of Frederic Remington and Charles Russell and is known for his Indian, cowboy and horse paintings.
In 1992, he was inducted into the Hall of Great Westerners of the National Cowboy & Western Heritage Museum.