Brands
- Proto
- Prototype
- Puma
- Pure
- Quality
- Queen
- Queen Cutlery
- Queen Steel
- R.C.C
- Rabil
- Rada
- Ralph Wilson
- Randall
- Ranger
- Ranger's
- Rangers
- Rap Cutlery
- Raz-Sharp
- REAL
- Reate
- Red Ryder
- REKAT
- Remer Stone
- Remington
- Remington UMC
- Republic of Ireland
- Resqvival
- Rex Allen
- RH Pal 35
- RHINO
- RHR Grand
- Richards
- Richartz
- Richmond
- Ridge Runner
- Rigid
- RK
- RLH
- RLH 700
- RMEF
- Robeson
- Robeson Shur Edge
- Rock Island Arsenal
- Rocky Lane
- RODGERS
- Rodgers Sheffield
- Rollock
- Rostfrei
- Rostrei
- Rough Rider
- Roy Rogers
- RRR
- Ru-Ko
- Ruana
- Ruger
- Rugged
- Ruko
- Russell
- S Klein
- S M
- S. M. Z.
- S.W. Cut
- SA
- SAB
- Sabatier
- Saber Knives
- Sabre
- Sack-Ups
- Sacks-Ups
- SAKAI TAKAYUKI
- Sakon Shiraume
- Sam McDowell
- Samuel Wragg
- San Francisco Gun Exchange
- Santa Fe Stoneworks
- Sarco
- Satake
- SBO
- Scale Mead
- ScaleMead
- Schade
- Schatt & Morgan
- Schatt & Morgan Cutlery Co.
- Schlieper
- Schrade
- Schrade Old Timer
- Schrade Uncle Henry
- Scoop
- Scrapyard
- ScrewSaver
- Sea Buoy
- Sea-Buoy
- Sears
- SeberTool
- SEIZO IMAI
- Seki
- SEKI Cut
- Seki Japan
- Servistar
- Seto