- Cheryl L. Cipriani [book design] (1)
- Barbara Ciurej (1)
- Lisa Clark (2)
- Ina Clausen (1)
- Diana Coe (1)
- David Cohen (1)
- David Zachary Cohen (2)
- Lisa Beth Cohen (2)
- Marc J. Cohen (18)
- Marc J. Cohen / MJC Design (1)
- Roy Colmer (2)
- Nord Compo (1)
- J+N Condon (1)
- Whitney Cookman (1)
- Steve Cooley (1)
- Steven Cooley (1)
- Rodrigo Corral (4)
- Liz Cosgrove (1)
- Me Cozza Studio (1)
- Miller, Craig and Cocking Design Partnership (1)
- Bridget Culligan (book design) (2)
- Copenhaver Cumpston (1)
- Jason Cunliffe/Arlene Lee, Mighty Dimension, Inc. (1)
- Fearn Cutler [book design] (2)
- Lydia D'moch [book design] (2)
- Jennifer Daddio (1)
- Kat Dalton (1)
- Gina Davis (1)
- Tom Dawson Graphic Design (1)
- David Dayton (2)
- Regine de Toledo (1)
- Roberto de Vicq de Cumptich (20)
- Barbara de Wilde (11)
- Craig DeCamps (1)
- Sarah K. Delson (1)
- Liz Demeter (1)
- Don Denton (2)
- AB3 Design (1)
- CDT Design (1)
- LI MA Design (1)
- Mucca Design (1)
- Skouras Design (1)
- Stark Design (6)
- WGBH Design (1)
- Bonnell Design Associates (1)