Oscar D. Hollenbeck was an American football coach and player.
He served as the head football coach at Westminster College in New Wilmington, Pennsylvania for one season, in 1910, compiling a record of 6–2.
He played college football at Colgate University, lettering from 1907 to 1909.
[1] He spent one year with the Akron Indians of the Ohio League.
[2] # denotes interim head coach