Police said it was called to reports a man had collapsed in Oxford Street, close to the junction with Bonners Lane, just after 17:00 GMT on Tuesday.
Several roads were closed after the stabbing including Infirmary Road, Oxford Street, Infirmary Square, Carlton Street, York Road, Lower Brown Street, The Gateway and Gosling Street.
Prof Katie Normington, vice-chancellor of the university, said she was “devastated” over Oladipo’s death, adding direct support was being offered to students, staff and his family.
“Our thoughts are with everyone who is affected by what has happened,” she added.