Roman and Byzantine Emperors: 3 emperors
Emperor Nicephorus Logothetes (a.k.a. Nikephoros)   802-811  
Emperor Nicephorus Phocas (a.k.a. Nikephoros)   963-969  
Emperor Nicephorus Botaniates (a.k.a. Nikephoros)   1078-1081  
Saints: 1 saint
Saint Nicephorus (a.k.a. Nikephoros)   ?-828