Brands
- C-V
- C. Schlieper
- C.I.
- C.K. Co.
- Cabela's
- Calmont Cutlery
- CAM III
- Camco
- Camillus
- Camp
- Camping
- Camping Knife
- Cana Cut
- Cana Cut II
- Canada
- Canal Street
- Cantale
- Carl Schlieper
- Case
- Case & Sons Cutlery
- Case & Sons Cutlery Co.
- Case XX
- Caterpillar
- Cattaraugus
- Cattaraugus Cutlery
- CCM
- Charles Thompson
- Charlton LTD
- Chaves
- China
- Chris Reeve
- CI
- Coach
- Coast
- Coast Cutlery
- Cold Steel
- Coleman
- Colibri
- Colonel Coon
- Colonial
- Colorado Cutlery
- Colt
- Columbia River
- Comoy
- Compass
- Compass Industries
- Conan
- Concrete Stone
- Condor
- Corne
- Corona
- Corrie Schoeman
- Coupex
- Coursolle
- CP
- Craftsman
- Crawford
- Cripple Creek
- CRKT
- Crosman
- Crotts
- Crowder
- Crown and Sword
- Crusader Forge
- Culco
- Curel
- Curtis
- Custom
- Cutco
- Cutly
- Cuttin Horse
- CYK
- D'Holder
- Dach
- Dacor
- Daiwa
- Dale Evans
- Damascus
- Daniel Boone
- Daniel Steiger
- Darrel Ralph
- Dasco
- Davy Crockett
- De Luxe
- Dean Oliver
- Degen
- Dereso
- Dew Hara
- Diefenthal
- Dixie Gun Works
- Dkonly
- Doris Yazzi
- Dovo
- Dozier
- Dragon-Lock
- Ducks Unlimited
- E. A. Co.
- E. Okuda Co.
- Eagle
- Eagle Knives Brand