John Administrative Building is a building on the now defunct Marylhurst University campus, in Marylhurst, Oregon, United States.

The building originally housed the entire college, and included an auditorium, a bakery and cafeteria, a chapel, classrooms, a gymnasium, a library, and a swimming pool.

The second floor originally had living areas for the Sisters of the Holy Names.

The 100-seat music venue Wiegand Hall was added during the 1990s.

This article about a building or structure in Oregon is a stub.