"C" Bobs
- Bob Cabral - Winemaker
- Robert Cailliau - Computer Scientist
- Bob Cain - Journalist
- Robert Cain - Brewer
- Bob Cain - Baseball
- Bob Cain - Soccer
- Robert H. Cain - British Military
- Bobby Caldwell - Singer
- Roberto Calvi - Business
- Robert Campeau - Business
- Robert Campin - Artist
- Robert Cane - Editor
- Bobby Cannavale - Actor
- Robert Cantu - Physician
- Robert Cantwell - Author
- Robert Capa - Photographer
- Robert Capron - Actor
- Robert Carey - British Army Officer
- Robert Carey - British Politician
- Robert Carey - British Politician
- Bob Carey - Football
- Bob Carey - Motor Sports
- Robert D. Carey - US Senate
- Robert T. Carey - Wisconsin State Assembly
- Bob Carlisle - Singer / Songwriter
- Robert Carlock - Screenwriter
- Robert Carlyle - Actor
- Robert Caro - Author
- Bob Carpenter - Hockey
- Robert Carradine - Actor
- Bob Carroll - Actor
- Robert Cary - British Politician
- Robert Cary - Priest
- Robert A. Cary - British Politician
- Robert W. Cary - US Navy Admiral
- Robert Cary-Williams - Fashion Designer
- Bob Casey - US Senate
- Robert de Castella - Track & Field
- Bobby Castillo - Baseball
- Robert Catesby - Planned Gunpowder Plot
- Robert Catrini - Actor
- Bob Catterall - Cricket
- Roberto Cavalli - Fashion Designer
- Robert Cecil - British Politician
- Roberto Ceraudo - Winemaker
- Roberto Cerea - Chef
- Robert Burton-Chadwick - Business
- Robert Chadwick - Cricket
- Robert W. Chambers - Author
- Bob Champion - Jockey
- Bob Chandler - Creator of Bigfoot Truck
- Bob Chandler - Football
- Robert Chapatte - Bicycle Racer
- Rob Chapman - Rock Singer
- Rob Chapman - Business
- Robert Chapman - British Politician
- Robert Chapman - Cricket
- Robert Cleaver Chapman - Pastor
- Robert F. Chapman - US Federal Judge
- Robert Hett Chapman - University of North Carolina President
- Robert L. Chapman - Professor
- Robert McDonald Chapman - Political Scientist
- Robert William Chapman - Engineer
- Robert William Chapman - Scholar
- Bob Charles - Golf
- Bobby Charlton - Soccer
- Robert F. Chew - Actor
- Robert Child - Technical Director
- Robert Child - Agriculturalist
- Robert Child - English Politician
- Robert Child - English Politician
- Bobby Chouinard - Baseball
- Robert Christgau - Music Journalist
- Bob Christian - Football
- Robert Chistiansen - Author
- Bob Christiansen - Football
- Robert Cialdini - Professor
- Bob Clampett - Animator
- Bob Clark - Director
- Bobby Clark - Clown
- Robert C. Clark - Canadian Politician
- Bobby Clark - Baseball
- Bob Clarke - Illustrator
- Robert Clarke - Actor
- Bobbie Clarke - Drummer
- Robert L. Clarke - Comptroller of the Currency (USA)
- Bobby Clarke - Hockey
- Bob Carlos Clarke - Photographer
- Robert Clary - Actor
- Bob Cleary - Hockey
- Bob Clement - US House
- Roberto Clemente - Baseball
- Robert M. Coates - Author
- Bob Cobbing - Author
- Robert Codrington - Author
- Robert Edward Codrington - Colonial Administrator
- Robert Henry Codrington - Anthropologist
- Robert Coin - Artist
- Robert Coker - English Politician
- Robert W. Cole - Author
- Bobby Cole - Jazz Singer
- Joe Robert Cole - Screenwriter
- Robert Cole - Medal of Honor Recipient
- Robert Cole - English Politician
- Bob Cole - Cricket
- Bobby Cole - Golf
- Bob Cole - Composer
- Robert C. Cole - Sportscaster
- Robert M. Cole - Inventor
- Robert Coles - Author
- Robert Coles - Early American Settler
- Robert Coles - Golf
- Robert Colescott - Artist
- Roberta Colindrez - Actor
- Bobby Colomby - Drummer, Blood, Sweat & Tears
- Robert Colquhoun - Artist
- Robbie Coltrane - Actor
- Robert Connelly - Mathematician
- Bob Connelly - Soccer
- Bob Connolly - Author
- Bob Connolly - Director
- Robert Conquest - Author
- Robert Conrad - Actor
- Bob Considine - Author
- Bob Constanduros - Actor
- Robert Coover - Author
- Bob Corker - US Senate
- Bob Corkum - Hockey
- Robert W. Cort - Film Producer
- Bob Costas - Sportscaster
- Robert Costello - Television Producer
- Bob Cottam - Cricket
- Robert of Courçon - Cardinal
- Bob Cousy - Basketball
- Robert Covington - Basketball
- Robert Cowley - Author
- Bob Cowper - Cricket
- Bobby Cox - Baseball
- Robert Crais - Author
- Bob Crane - Actor
- Robert Cray - Blues Guitar
- Robert Creamer - Political Consultant
- Robert Creamer - Sportswriter
- Robert Creeley - Author
- Bob Crewe - Songwriter
- Robert Crichton - Author
- Robert Crippen - Astronaut
- Bob Crisp - Cricket
- Bob Crosby - Bandleader
- Robert Crozier - Artist
- Bob Ctvrtlik - Volleyball
- Robert Culp - Actor
- Robert Cumberford - Automotive Designer
- Robert Cummings - Actor
- Bob Cunis - Cricket
- Bob Curiano - Guitar
- Robert F. Curl - Nobel Laureate in Chemistry
- Bob Curtis - Actor
- Robert Curtis - Actor
- Robert G. Curtis - British Military
- Bob Curtis - Washington House of Representatives
- Robert Curtis - Basketball
- Robert Curtis - Football
- Bobby Curtis - Soccer
- Bob Curtis - Soccer
- Bobby Curtis - Track & Field
- Robert W. Curtis - Football
- Robert Cutler - National Security Advisor