| C, Cardeno | 29 Books | 3 Series |
| Cade, Cora | 8 Books | 1 Series |
| Cadeau, Dale | 5 Books | 1 Series |
| Cahill, Rhian | 49 Books | 3 Series |
| Cain, Alice | 55 Books | 8 Series |
| Cain, Lilly | 11 Books | 1 Series |
| Caldwell, Tatiana | 5 Books | 1 Series |
| Calmes, Mary | 60 Books | 8 Series |
| Calvincourt, Libby | 5 Books | 1 Series |
| Cameron, Alicia | 23 Books | 2 Series |
| Cameron, D.H. | 22 Books | 2 Series |
| Cameron, Paige | 36 Books | 5 Series |
| Campbell, Gwen | 10 Books | 1 Series |
| Campbell, L.L. | 2 Books | 1 Series |
| Candro, Ria | 7 Books | 2 Series |
| Cantore, Emily | 58 Books | 3 Series |
| Cao, Irene | 3 Books | 1 Series |
| Capri, NeNe | 14 Books | 1 Series |
| Cardin, Juliet | 27 Books | 1 Series |
| Cardui, Vanessa | 29 Books | 1 Series |
| Carlisle, Abbie | 6 Books | 1 Series |
| Carlisle, Jo | 3 Books | 1 Series |
| Carlisle, Lisa | 53 Books | 7 Series |
| Carlisle, Lyzie | 13 Books | 2 Series |
| Carlo, Jianne | 40 Books | 9 Series |
| Carlson, W.J. | 2 Books | 1 Series |
| Carlton, Amber | 12 Books | 2 Series |
| Carlton, H.K. | 38 Books | 1 Series |
| Carlysle, Regina | 30 Books | 3 Series |
| Carmen, Roya | 11 Books | 1 Series |
| Carmer, Lynn | 10 Books | 4 Series |
| Carmichael, Talia | 64 Books | 8 Series |
| Carnay, Marie | 6 Books | 1 Series |
| Carnes, Cara | 39 Books | 6 Series |
| Carpenter, Adam | 41 Books | 4 Series |
| Carpenter, Maggie | 76 Books | 6 Series |
| Carr, Carrie | 18 Books | 1 Series |
| Carr, Cassandra | 51 Books | 6 Series |
| Carr, Mari; Couper, Lexxie | 11 Books | 2 Series |
| Carr, Mari; DuBois, Lila | 24 Books | 4 Series |
| Carreras, Alex | 31 Books | 5 Series |
| Carsen, Sela | 18 Books | 1 Series |
| Carson, Camile | 3 Books | 1 Series |
| Carson, Tori | 12 Books | 3 Series |
| Carter, Beth D. | 65 Books | 2 Series |
| Carter, Jayce | 41 Books | 2 Series |
| Carter, Mina; Kyle, Celia | 6 Books | 1 Series |
| Carter, Simone | 20 Books | 1 Series |
| Carver, Cassi | 8 Books | 3 Series |
| Cary, Michelle | 22 Books | 1 Series |
| Casey, London | 11 Books | 2 Series |
| Cash, Lyn | 14 Books | 2 Series |
| Casper, Maggie | 29 Books | 3 Series |
| Cassatta, Allison | 20 Books | 2 Series |
| Castille, Jenna | 11 Books | 2 Series |
| Castle, Diana | 13 Books | 1 Series |
| Castle, Julie | 19 Books | 1 Series |
| Cavanaugh, Virginia | 15 Books | 1 Series |
| Cayto, Samantha | 48 Books | 5 Series |
| Cease, Gwendolyn | 9 Books | 1 Series |
| Chagnon, D.C. | 39 Books | 15 Series |
| Chambers, Kaye | 4 Books | 2 Series |
| Chance, Bailey | 4 Books | 2 Series |
| Chance, Marly | 6 Books | 1 Series |
| Chandler, Jade | 6 Books | 2 Series |
| Chanel, Amy | 7 Books | 1 Series |
| Chantal, Jillian | 37 Books | 1 Series |
| Chantale, Lynn | 23 Books | 3 Series |
| Charles, Susie | 5 Books | 1 Series |
| Chase, J.D. | 8 Books | 1 Series |
| Chase, Kira | 22 Books | 1 Series |
| Chase, Storm | 12 Books | 1 Series |
| Chase, T.A. | 113 Books | 6 Series |
| Chase, Zara | 42 Books | 6 Series |
| Chatillon, Celine | 47 Books | 3 Series |
| Chatterly, C.S. | 17 Books | 2 Series |
| Cherry, Kierstin | 2 Books | 1 Series |
| Chills, Dean / Chills, Athena | 26 Books | 8 Series |
| Chilove, C. | 4 Books | 1 Series |
| Christian, Claudia D. | 10 Books | 1 Series |
| Christine, Ashley | 14 Books | 2 Series |
| Christopher, Tina | 9 Books | 2 Series |
| Church, Jade | 12 Books | 2 Series |
| Church, M.A. | 34 Books | 5 Series |
| Church, Margie | 18 Books | 1 Series |
| Cicero, Kyle / Fabbo-Gonnella, L.G. | 31 Books | 3 Series |
| Cierlak, Crystal | 20 Books | 1 Series |
| Claire, Angela | 23 Books | 2 Series |
| Clark, Everleigh | 2 Books | 1 Series |
| Clark, Rachel | 32 Books | 4 Series |
| Clarke, Peyton Brittany | 3 Books | 1 Series |
| Clay, Patricia | 2 Books | 1 Series |
| Clay, Stanley Bennett | 7 Books | 1 Series |
| Clematis, Maxine | 21 Books | 2 Series |
| Cliff, J.C. | 9 Books | 3 Series |
| Clinger, R.W. | 107 Books | 1 Series |
| Close, Amanda | 26 Books | 3 Series |
| Cochrane, Charlie | 38 Books | 2 Series |
| Cockburn, Tabitha | 3 Books | 1 Series |
| Coffey, Selina | 58 Books | 1 Series |
| Coi, J.K. | 19 Books | 3 Series |
| Colcroft, Karenna | 53 Books | 1 Series |
| Coldwell, Elizabeth | 136 Books | 2 Series |
| Cole, Copper | 1 Book | 1 Series |
| Cole, Kaliana | 7 Books | 1 Series |
| Cole, Starla; Cole, Maxwell | 4 Books | 1 Series |
| Collard, J.A. | 10 Books | 1 Series |
| Collins, A.J. | 5 Books | 1 Series |
| Collins, Anna | 19 Books | 1 Series |
| Collins, L.K. | 17 Books | 2 Series |
| Coming, Ever | 13 Books | 2 Series |
| Conall, Tabitha | 21 Books | 5 Series |
| Confer, Lorelei | 15 Books | 2 Series |
| Conners, Juliana | 108 Books | 2 Series |
| connor, Eden | 10 Books | 1 Series |
| Conrad, Alyson | 3 Books | 1 Series |
| Conrad, Jacey; Corona, Gia | 11 Books | 2 Series |
| Cook, Anny | 21 Books | 4 Series |
| Cook, Kris | 18 Books | 4 Series |
| Cooper-Posey, Tracy; Templeton, J.A. | 3 Books | 1 Series |
| Cooper, Helen (1) | 32 Books | 4 Series |
| Cooper, J.S.; Cooper, Helen | 10 Books | 3 Series |
| Cooper, Meg | 16 Books | 3 Series |
| Copp, Criss | 5 Books | 1 Series |
| Cordd, Jackson | 6 Books | 1 Series |
| Corrales, Mary | 7 Books | 1 Series |
| Corrigan, Nancy | 43 Books | 5 Series |
| Cothern, Brenda | 36 Books | 8 Series |
| Coulson, Marie | 6 Books | 1 Series |
| Cowan, Hannah | 11 Books | 2 Series |
| Cox, Anita | 12 Books | 2 Series |
| Cox, Darien | 20 Books | 2 Series |
| Cox, Paula | 85 Books | 14 Series |
| Craig, Dede | 2 Books | 1 Series |
| Craven, Liz | 6 Books | 1 Series |
| Crenshaw, Taige | 32 Books | 6 Series |
| Crescent, Sam; Espino, Stacey | 22 Books | 4 Series |
| Crescent, Tara | 11 Books | 1 Series |
| Croft, Pippa | 4 Books | 1 Series |
| Cron, Rachel | 3 Books | 1 Series |
| Cross, Cassie | 23 Books | 5 Series |
| Cross, Maya | 4 Books | 1 Series |
| Cross, Skylar | 23 Books | 5 Series |
| Cross, W.H. | 6 Books | 1 Series |
| Crow, Anah; Fox, Dianne | 15 Books | 2 Series |
| Crow, Casey | 2 Books | 1 Series |
| Crowe, Liz | 57 Books | 5 Series |
| Crowfoot, Jennifer | 19 Books | 1 Series |
| Cruise, Samantha | 2 Books | 1 Series |
| Culter, Camryn | 2 Books | 1 Series |
| Cummin, Sharon | 34 Books | 7 Series |
| Cumming, V.R. | 11 Books | 1 Series |
| Cummings, Carole | 18 Books | 2 Series |
| Cummings, Nancey | 43 Books | 1 Series |
| Cunningham, Pat | 9 Books | 1 Series |
| Curington, Lanette | 6 Books | 1 Series |
| Curtis, Cassandra | 15 Books | 1 Series |
| Cyr, Cory | 14 Books | 1 Series |