Clarus may refer to: A common Ancient Roman cognomen Claros or Klaros, a cult center in ancient Greece Giulio Claro (1525–1575), an Italian jurist Clarus the dogcow, an Apple Computer icon Saint Clarus, an English missionary martyred in about 894 at Livery Dole near the River Epte, Normandy Clair of Nantes, or Clarus, a 3rd century bishop of Nantes, France