SFPD arrested University of San Diego Head Men's Coach LaMont Smith at Oakland Airport around 10 a.m. Sunday.
Police say they were called to a hotel near Union Square just after midnight for a domestic disturbance.
The victim said she and the coach were intimately involved.
She was taken to the hospital for non-life threatening injuries.
Police later arrested Smith at the airport.
The University of San Diego says it's aware of the accusations against Smith and is now investigating.