Namesakes
Bishops of Rome and the Popes:
6 popes
Adrian I (a.k.a. Hadrianus) 772-795 
Adrian II (a.k.a. Hadrianus) 867-872
Adrian III (a.k.a. Hadrianus) 884-885
Adrian IV (a.k.a. Hadrianus) 1154-1159
Adrian V (a.k.a. Hadrianus) 1276
Adrian VI (a.k.a. Hadrianus) 1522-1523
Roman and Byzantine Emperors:
1 emperor
Emperor Publius Aelius Hadrianus (a.k.a. Hadrianus) 117-138
Saints:
1 saint
Saint Adrian III (a.k.a. Hadrianus) ?-885