Club quebecois du Leonberger
- Breed history, characteristics, breeder list, and club details. Quebec, Canada.
- http://leonberg.iquebec.com/

United Kingdom Leonberger Association
- Organization in Great Britain promoting working events, training, and social activities for Leonberger owners.
- http://uklaleos.com

Leonberger Club of the United States
- New Leonberger club seeking AKC affiliation. Provides information on club background, event results, breeder list, and club contacts.
- http://www.leoclub.us

Leonberger Club of Great Britain
- Contains a photo gallery, a forum, show results, breeder list, stud dog list, and club contact information.
- http://www.leonbergerclub.co.uk

Northern California Leonberger Club
- Leonberger Club of America affiliate, covering California from Bakersfield north. Provides event calendar, show results, photos, club contacts, breed, and membership information.
- http://www.norcal-leonbergers.org/

Frontier Leonberger Club of the Southwest
- Leonberger Club of America affiliate, covering the areas of Texas, Oklahoma, Louisiana, New Mexico. Activities, events, and information on breed.
- http://www.frontierleonbergerclub.com

Leonberger Club of America (LCA)
- The founding registry in the United States, providing comprehensive breed information, a breeders' directory, membership details, and further resources pertaining to the breed.
- http://www.leonbergerclubofamerica.com