- Cezar, Lucas de Araujo
- Cezar, Marinês Rodrigues dos Santos
- Cezar, Raul Matias
- Ch. Albessard et Bérard
- CH2M Hill (Firm)
- Cha, Hyung-Kee
- Cha, J. W.
- Chaaban, Sameh Ben
- Chaapel, Harry.
- Chaapel's Seed Store.
- Chaar, Jamal da Silva
- Chabanaud, Paul.
- Chabaneau, Pierre Francois, 1754-1842
- Chabannes, Pierre de
- Chabasse, D
- Chabaud, Alain G. (Alain Gabriel), 1923-2013
- Chabert, M. (Philibert), 1737-1814
- Chabert, Alfred, 1836-1916
- Chabert, Maximiliano.
- Chaboisseau, Théodore 1828-1894
- Chaboo, Caroline Simmrita
- Chabora, P. C. (Peter C.)
- Chabot, Auguste Jean François, comte de, 1825-1911
- Chabot, Brian F.
- Chabot, Denis
- Chabot, Jacques
- Chabrey, Dominique, 1610-1669
- Chace, Alden Buffington.
- Chace, E. M. (Edward Mackay), 1874-1960
- Chace, Elsie M. (Elsie Margaret), 1885-1975
- Chace, Emery P. (Emery Perkins), 1882-1980
- Chace, Fenner A. (Fenner Albert), 1908-2004
- Chace, Jameson F
- Chacin, Maria E
- Chacko, P. I.
- Chacko, Stephen
- Chacoff, Natacha P
- Chacón de Ulloa, Patricia, 1956-
- Chacón Fuentes, Manuel
- Chacón Pacheco, Julio J.
- Chacón, Arturo
- Chacón, Isidro
- Chacon, Roberta Gomes
- Chacón, S
- Chacón, Santiago
- Chacón-Cardosa, Citlali
- Chacón-Castro, Yerlin
- Chacón-Gómez, Isabel Cristina
- Chacón-López, Adriana
- Chacón-Ortiz, Andrés
- Chacón-Wences, Omar
- Chacun, H
- Chadab, Ruth
- Chadbourne, Arthur P. (Arthur Patterson)
- Chadbourne, Paul A. (Paul Ansel), 1823-1883
- Chadd, J. D.
- Chadde, Steve
- Chadee, Dave D
- Chadefaud, Marius, 1900-1984
- Chadi, Gerson
- Chadim, V A
- Chadin, Ivan
- Chadwick, Ann
- Chadwick, C. E. (Clarence Earl)
- Chadwick, George Halcott, 1876-1953
- Chadwick, Herbert C
- Chadwick, Howard W.
- Chadwick, James W.
- Chadwick, Leigh Edward
- Chadwick, Nanette E.
- Chae, Jinho
- Chae, Junho
- Chaerle, Peter
- Chaet, Alfred B
- Chafatinos, Teodoro
- Chaffanjon, J
- Chaffee, Adna Romanza, 1884-1941
- Chaffee, Chet
- Chaffee, Dwight L.
- Chaffee, F. E.
- Chaffee, Robert Gibson, 1914-
- Chaffer, Edric
- Chaffer, N
- Chaga, Oleg
- Chaganti, R. S. K.
- Chagas Júnior, Aloísio Freitas
- Chagas Júnior, Amazonas, 1972-
- Chagas, Andrezza Campos
- Chagas, Carlos
- Chagas, Celio Ignácio
- Chagas, Cínthia
- Chagas, Edsandra Campos
- Chagas, Edvan Alves
- Chagas, Generoso M.
- Chagas, Gustavo Gomes
- Chagas, Jaíza Ribeiro
- Chagas, Leandro Pereira
- Chagas, Maurício A.
- Chagas, Renata Rocha Déda
- Chagas, W. A.
- Chagas, Walker André
- Chageda Gardens.
- Chaghtai, S. A.
- Chagnon, Gustave, 1871-1966
- Chagnon,Yves
- Chahl, Javaan S
- Chahota, R. K.
- Chai, A-Li
- Chai, Chun-Yue
- Chai, Hong-Fei
- Chai, Hongmei
- Chai, Hui
- Chai, Min J.
- Chai, Norin
- Chai, Paul P. K.
- Chaichana, Ratcha
- Chaieb, Mohamed
- Chaigneau, Alexis
- Chaij, Jaquelina
- Chaiken, L. E.
- Chaikhoutdinov, Irina
- Chaikowsky, C. L. A.
- Chailli, Jacques
- Chaimanee, Niran
- Chain (Research vessel)
- Chain, Benjamin M
- Chainey, John E.
- Chainho, Paula
- Chais, Charles, 1701-1788
- Chait, Gabriel
- Chaitika, Thanyarat
- Chaitra, M. S.
- Chaìves, Diocleciano 1844-1936
- Chaiwan, Napalai
- Chaiwan, Natthaporn
- Chaix, Dominique 1730-1799
- Chaiyasan, Patcharaporn
- Chaiyasut, Kasidis
- Chaki, Eiko
- Chakkaravarthy, V. Madhan (Varadharajan Madhan)
- Chakladar, Haran Chandra
- Chakma, Suprio
- Chakona, Albert
- Chakrabarti, Kalyan
- Chakrabarti, P. K.
- Chakrabarti, Samiran
- Chakrabarti, Saumen
- Chakrabarti, Seemanti
- Chakrabarti, Sumit
- Chakrabarty, Prosanta
- Chakraberty, Chandra.
- Chakraborti, Swapna
- Chakrabortty, S.
- Chakraborty, Dipankar
- Chakraborty, Dyutiparna
- Chakraborty, Kripamoy
- Chakraborty, Paritosh
- Chakraborty, Rina
- Chakraborty, Sujit, 1942-
- Chakraborty, T. K.
- Chakraborty, Tathagata
- Chakrapani, B. K.
- Chakravarthy, A. K. (Akshay Kumar), 1955-
- Chakravarti, Bábú M M
- Chakravarti, Babu Man Mohan
- Chakravarti, Bábú Mon Mohan
- Chakravarti, Babu Monmohan
- Chakravarti, Diptiman
- Chakravarty, Babu Mon Mohan
- Chakravarty, Himabrata
- Chakravarty, Paramita
- Chakravorty, Jharna
- Chala, Adel
- Chalabe, Teresa
- Chalco, Fiorella Perotti
- Chalcoff, Vanina R
- Chalde, Tomás
- Chalermglin, Piya
- Chalermwong, Porntawat
- Chalfant, Frank H
- Chalfin, Bruce G.
- Chalfin, Eleanor
- Chalfun-Júnior, Antonio, 1973-
- Chalico, E. C.
- Chalifa, Yael
- Chalimbadia, V. G.
- Chaline, Jean, 1937-
- Chalise, Lina
- Chalk, Thomas
- Chalkia, Ekaterini
- Chalkley, H. W. (Harold William), 1887-1975
- Chall, Malca.
- Challenger (Ship)
- Challenger Expedition (1872-1876)
- Challenger Society.
- Challenger, Antony
- Challice, Rachel.
- Challies, Edward
- Challinor, A. B. (Arthur Brian), 1930-2020
- Challinor, Richard Westman
- Challis Resource Area (Idaho)
- Challis, G A
- Challis, Katherine May 1961-
- Chalmandrier, Nicolas
- Chalmer, Philip N.
- Chalmers, Albert J
- Chalmers, Albert John, 1870-1920
- Chalmers, Alice Jean
- Chalmers, Anita
- Chalmers, Charles.
- Chalmers, Gordon A.
- Chalmers, Ian
- Chalmers, J
- Chalmers, Lynne D.
- Chalmers, R.
- Chalmers, R. O.
- Chalmers, R. O. (Robert Oliver), 1911-2006
- Chalmers, Thomas.
- Chalmers, W. R., -2004
- Chalmers-Hunt, J. M.
- Chalon, Henry Barnard, 1771-1849
- Chalon, Jean, 1846-1921
- Chaloner & Fleming (Liverpool, England)
- Chaloner, W. G. (William Gilbert)
- Chalopin, Monique
- Chaloub, Ricardo M.
- Chaloupka, Milani
- Chaloux, Nicholas,
- Chalson, Janet M.
- Chalukian, Silvia C
- Chalup, Adriana
- Chalusset, Abel de.
- Chalutz, Edo.
- Chamache, Paola Florián
- Chaman Medina, Mercedes Elizabeth
- Chamani, Mohammad
- Chamarravi, Nydia
- Chambellant, Magaly
- Chamber of Commerce of the New Orleans Area.
- Chamberet, Jean-Baptiste Joseph Tyrbas de, 1779-1870
- Chamberlain & Company.
- Chamberlain & Gage.
- Chamberlain, Anne
- Chamberlain, Charles Joseph, 1863-1943
- Chamberlain, Daniel Edward
- Chamberlain, David
- Chamberlain, Donald W. (Donald William), 1905-
- Chamberlain, E. Burnham (Edward Burnham), 1895-1986
- Chamberlain, Edward B. (Edward Blanchard), 1878-1925
- Chamberlain, Everett B.