Alfred Irénée du Pont (May 12, 1864 – April 28, 1935) was an American industrialist, financier, philanthropist and a member of the influential Du Pont family. Alfred du Pont first rose to prominence through his work in his family's Delaware-based gunpowder manufacturing plant, E. I. du Pont de Nemours and Company (now known as DuPont), in which for many years he served as a director of the board and Vice President of operations.