- Brooklyn (New York, N.Y.). Eastern District High School1
- Bruckner, Anton, 1824-18961
- Bukhārī, ʻAbd Allāh1
- Bùi, Bá Thành1
- Bùi, Hướng Thành1
- Bùi-huy-Bích, 1744-18181
- Bärtschi, Friedrich1
- Bührer, J.1
- Cameron, Ken, 1915-20001
- Campe, Joachim Heinrich, 1746-18181
- Canarsie High School (Canarsie, New York, N.Y.)2
- Cao, Bá Nhạ1
- Cao, Bá Đạo1
- Caporali, Giacomo, -14781
- Cardinal Hayes High School (Bronx, New York, N.Y.)1
- Cardozo, Benjamin N. (Benjamin Nathan), 1870-19381
- Carmelites1
- Carnegie Foundation for the Advancement of Teaching1
- Carnegie, Andrew, 1835-19192
- Castro, Fidel, 1926-20161
- Catalano, Abraham1
- Cathedral Immaculate Conception Branch (Bronx, New York, N.Y.)1
- Catherine McAuley High School (Brooklyn, New York, N.Y.)6
- Catholic Church5
- Catholic Church. Collegium Cardinalium1
- Catholic Church. Diocese of Cambrai (France). Bishop (1220-1238 : Godefroid, de Fontaines)1
- Catholic Church. Pope (1216-1227 : Honorius III)1
- Catholic Church. Pope (1243-1254 : Innocent IV)2
- Catholic Church. Pope (1288-1292 : Nicholas IV)1
- Catholic Church. Pope (1305-1314 : Clement V)1
- Catholic Church. Pope (1471-1484 : Sixtus IV)1
- Catholic Church. Pope (1670-1676 : Clement X)2
- Catholic Church. Pope (1676-1689 : Innocent XI)5
- Catholic Church. Pope (1691-1700 : Innocent XII)3
- Catholic Church. Pope (1700-1721 : Clement XI)1
- Catholic Church. Pope (1721-1724 : Innocent XIII)2
- Catholic Church. Pope (1724-1730 : Benedict XIII)3
- Catholic Church. Pope (1730-1740 : Clement XII)3
- Catholic Church. Pope (1740-1758 : Benedict XIV)3
- Catholic Church. Pope (1758-1769 : Clement XIII)3
- Catholic Church. Pope (1775-1799 : Pius VI)1
- Chapin School (Manhattan, New York, N.Y.)1
- Charles Evans Hughes High School (Manhattan, New York, N.Y.)1
- Chekhov, Anton Pavlovich, 1860-19042
- Chief Associate of Maître François, active 1480-14981
- Chr. Gehr.1
- Christopher Columbus High School (Bronx, New York, N.Y.)6
- Chu, Nam1
- Chung, Bá tiên sinh1
- Cicero, Marcus Tullius1
- Claridge's Hotel (London, England)1
- Clark, Mark W. (Mark Wayne), 1896-19841
- Clement V, Pope, approximately 1260-1314.1
- Clinton, DeWitt, 1769-18281
- Cohn, William, 1880-19611
- Columbia University1
- Conant, Theodore Richards, 1926-201529
- Conkling, Roscoe, 1829-18881
- Countess Moore High School (Staten Island, New York, N.Y.)1
- Couvent d'Unterlinden (Colmar, France)1