Joseph John Rothrock (August 2, 1898 – November 17, 1968) was an American football, basketball, and baseball coach and athletics administrator.
He served as the head football coach at the University of Delaware from 1927 to 1928, compiling a record of 4–11–1 in two seasons.
The next year, he moved on to the Perkiomen School in Pennsburg, Pennsylvania, where he was an assistant football coach.
[2] Rothrock resigned from his position at Delaware in 1930 to return to Peekskill Military Academy as athletic director.
He moved permanently to Silver Lake in May 1968 and died of an apparent heart attack, on November 17, 1968, at his home there.