Robert Clive ♎ Libra Robert Clohessy ♊ Gemini Robert Cloughen ♒ Aquarius Robert Colbert ♌ Leo Robert Coleman Richardson ♋ Cancer Robert Collett ♐ Sagittarius Robert Conquest ♋ Cancer Robert Conrad ♓ Pisces Robert Coover ♒ Aquarius Robert Cormier ♑ Capricorn Robert Cornelius ♓ Pisces Robert Costanzo ♎ Libra Robert Covington ♐ Sagittarius Robert Craft ♎ Libra Robert Crais ♊ Gemini Robert Cray ♌ Leo Robert Creeley ♊ Gemini Robert Crippen ♍ Virgo Robert Crosbie ♑ Capricorn Robert Crumb ♍ Virgo Robert Cuffley ♐ Sagittarius Robert Culp ♌ Leo Robert Cummings ♊ Gemini Robert Curbeam ♓ Pisces Robert Curl ♍ Virgo Robert Curthose ♐ Sagittarius Robert Cushman Murphy ♉ Taurus Robert D. Cabana ♒ Aquarius Robert D. Hare ♑ Capricorn Robert D. Kaplan ♋ Cancer Robert D. Putnam ♑ Capricorn Robert D. Ray ♎ Libra Robert D. Webb ♑ Capricorn Robert Dahl ♐ Sagittarius Robert Daniel Carmichael ♓ Pisces Robert Darnton ♉ Taurus Robert Darwin ♊ Gemini Robert Daudelin ♊ Gemini Robert Davi ♋ Cancer Robert David Hall ♏ Scorpio Robert De Niro ♌ Leo Robert Dehler ♑ Capricorn Robert Delaunay ♈ Aries Robert Desjardins ♌ Leo Robert Desnos ♋ Cancer Robert Detweiler ♋ Cancer Robert Dienst ♓ Pisces Robert Dill-Bundi ♏ Scorpio Robert Dirk ♌ Leo Robert Doisneau ♈ Aries Robert Donat ♓ Pisces Robert Donner ♉ Taurus Robert Doornbos ♎ Libra Robert Downey Jr. ♈ Aries Robert Downey Sr. ♋ Cancer Robert Dubreuil ♉ Taurus Robert Duncan McNeill ♏ Scorpio Robert Duncan Wilmot ♎ Libra Robert Dunsmuir ♍ Virgo Robert Durst ♈ Aries