Jean de la Trémoille is the name of:

• Jean de la Trémoille (1377–1449), Grand Master and Grand Chamberlain to the dukes of Burgundy John the Fearless and Philip the Good
• Jean Bretagne Charles de La Trémoille (1737–1792), duke of Thouars, married a daughter of Philip Joseph, Prince of Salm-Kyrburg

• Robert C. Richardson, Jr.
• Robert Crichton, 1st Lord Crichton of Sanquhar
• Robert Criswell
• Robert Critoph
• Robert C Robbins
• Robert C. Robbins
• Robert C. Rore
• Robert Cross (footballer)
• Robert Crost
• Robert Crouse
• Robert Crowe (singer)
• Robert Crowley (1517-1588)
• Robert Crowley (bobsleigh)
• Robert Crowley (Survivor contestant)
• Robert Cruickshank (bacteriologist)
• Robert Crutchfield
• Robert C. Shelton Jr.
• Robert C. Shinn Jr.
• Robert C. Shinn, Jr.
• Robert C Smith
• Robert C. Sticht
• Robert Cuddon (died 1462)
• Robert Cuddon (fl. 1395)
• Robert Cuddon I
• Robert Cuddon II