| Australian Knife Collectors Club: Encourages aspirations of custom knifemakers and responsible ownership. History, newsletter, open membership. |
| Bay Area Knife Collectors Association: Includes forum, membership, and meeting information. Based in Northern California. |
| Florida Knifemakers' Association, Inc.: Nonprofit association of custom knife makers and those interested in handmade knives. |
| M9 Bayonet Collectors Club: Discuss history, manufacturers, and versions of M9 bayonets. Photo posting, events calendars. |
| Montana Knifemakers Association: Non-profit educational organization to further the art of knifemaking through seminars and an annual show. |
| National Knife Collectors Association: Non-profit, for the improvement of the knife collecting experience and promoting the hobby. |
| Southern California Blades Knife Collectors Club: Group for enthusiasts and custom makers. Offers classifieds, sponsors annual Knife Expo, includes information on meetings, and dates of shows. |
| The American Bladesmith Society: Dedicated to teaching and promotion of the forged blade. Operates bladesmithing schools, lists trade shows. |
| The American Knife and Tool Institute: Promotes public awareness, monitors legislation and encourages responsible law enforcement. |
| The Knife Makers Guild: Professional association. Member list, coming shows, forums. |
| Williamson County Knife Club: Knive collector's organization in Middle Tennessee. Offers membership and show information, newsletter, map, and schedule of meetings in Franklin, Tennessee. |