Brands
- Gryphon
- Gunmark
- Gutman
- Gutmann
- Haida Concord
- Hakkoh
- Haller
- Hammer
- Hammer Brand
- Handicraft
- Handmade
- Handy Twine Knife Co
- Hanson
- Hard Hat
- Harley-Davidson
- Haru
- Hasegawa
- Hattori
- Hayabusa
- Hayler
- Heart
- Heckler & Koch
- Hen & Rooster
- Henckels
- Herbertz
- Herbrand
- Herder
- Hess
- HI-CUT
- Hikari
- Hiro
- Hiro Knives
- Hiroshi Suzuki
- Hisashige
- Historical Foundation
- HK
- HK Knives
- Hoffman
- Hoffritz
- Hollco
- Homeij
- Hong Kong
- Honmamon
- Hopalong Cassidy
- Hornet
- Houwa
- Howa
- HR
- HTM
- Hurricane
- I.C.Cut
- I.K. Co.
- IC Cut
- IC.Cut
- Idaho Knife Works
- Ideal's Defender
- Imai
- Imax
- Imperial
- Imperial Prov
- Imperial Prov RI USA
- Inagaki
- India
- Indian Ridge
- Indian Ridge Traders
- Inox
- Inter
- IPCO
- IRBI Knives
- Ireland
- Italy
- IXL
- IXL Ceci. Ci
- IXL George Wostenholm
- J&D Tool Co
- JA Henckles
- Jackeroo
- Jaguar
- Jake Hoback
- Jantz
- Japan
- Japan Cleaver
- Japan Custom
- Jeff Murison
- Jeff White
- Jensen
- John EK
- John Nelson
- Johnny Mack Brown
- Jonathan Crookes
- Jowika
- Joy
- JPCD
- JUNGLEE
- Just Life Stage
- Jyubei
- K Mark
- K.T. Cutler
- Ka-Bar
- Kabar