Edward Rueben "Earl" Wren (September 19, 1893 – August 11, 1932) was an American football player and coach. He served as the head football coach at Jacksonville State Normal School—now known as Jacksonville State University—in 1925, compiling a record of 1–6. Wren played college football at Auburn University from 1915 to 1916 and was awarded the Distinguished Service Cross for his service in World War I. Before and after his time at Jacksonville State, he served as a high school football coach at a number of school in the state of Alabama.