- Caffin Mathieu
- Cai Pinghe
- Calvo Eva
- Cámara Mor Patricia
- Campbell Susan E.
- Canadell J.
- Canadell Josep G.
- Canesi Marine
- Canesi M.
- Caprais Jean-Claude
- Caquineau Sandrine
- Cardinal Damien
- Carlson Craig
- Carney Michael E.
- Carrasco Gonzalo
- Carter Brendan
- Caruso Antonio
- Casacuberta Núria
- Casciotti Karen
- Cassar N.
- Cassar Nicolas
- Castrillejo Maxi
- Catala Philippe
- Cavagna Anne-Julie
- Chakraborty Kunal
- Châles Fanny
- Chamizo Elena
- Chance Rosie
- Chandra Naveen
- Chandra N.
- Chaplot Vincent
- Chapman Christopher C.
- Charette Matthew
- Charlou Jean-Luc
- Charpentier Philippe
- Charrassin Jean-Benoit
- Chau Thi-Tuyet-Trang
- Chauvin A.
- Chauvin Anne
- Chaves Joaquin
- Cheng Hai
- Chéron Sandrine
- Chevalier Nicolas
- Chevallier Frederic
- Chever Fanny
- Cheviet Alban
- Chini Louise
- Chini Louise P.
- Chmeleff Jérôme
- Chowdhury Mintu
- Chowdhury Subhadeep
- Christl Marcus
- Church Thomas M.
- Ciais Philippe
- Clampitt Megan
- Claverie Thomas
- Clement Dominic
- Cloquet Christophe
- Closset Ivia
- Cockwell Donna
- Cocquyt Christine
- Codron Francis
- Coll Isabelle
- Colman Albert S.
- Conan Pascal
- Conley Daniel J.
- Contreras Juan
- Conway Tim
- Conway Tim M.
- Coppola Laurent
- Cordeiro R.C.
- Cordier Emmanuel
- Cornelis Jean-Thomas
- Cornille Vincent
- Cosca Catherine E.
- Cossa Daniel
- Cotrim da Cunha Leticia
- Cotté Cédric
- Coulibaly G.
- Coulibaly Gninwoyo Eric Hermann
- Courcot Lucie
- Couté Alain
- Croguennec Claire
- Cronin Margot
- Croot Peter L.
- Cross Jessica
- Cruz Francisco
- Cruz Joana
- Cruz Ligia L. Perez
- Cruz Ligia L. Pérez
- Cuet Pascale
- Cuet Pascale
- Cullen Jay
- Currie Kim
- Cutter Gregory A.