Orin Ercel "Babe" Hollingbery (July 15, 1893 – January 12, 1974) was an American football coach. He served as the head football coach at the State College of Washington—now known as Washington State University—for 17 seasons, from 1926 to 1942, and compiled a record of 93–53–14 (.625). Hollingbery's 93 wins are the most by any head coach in the history of the Washington State Cougars football program. He was inducted into the College Football Hall of Fame in 1979.