Canadian Mastiff Club - Breed standard show news frequently asked questions and description of the breed and a membership application.

French Mastiff Club - Breed description and club goals. [French and English].

Garden State Mastiff Fanciers - Membership information litter announcements rescue contact information their code of ethics and show brags. New Jersey.

Mastiff Club of America - Information about their National Specialty rescue and health committees frequently asked questions and breed information. They are the American Kennel Club parent club for the breed.

Mastiff Club of Victoria - Information about health and temperament list of club activities and events application form and a photograph gallery. Victoria Australia.

Mastiff Fanciers Of Western Canada - Breed information and show news.

Midwest Mastiff Fanciers - Show news and contact information.

Old English Mastiff Club - Breed standard health information newsletter club history show updates forum and their code of ethics. United Kingdom.

Pacific Northwest Mastiff Fanciers - Members primarily in Washington Oregon Idaho and Canada. List of club officers and board members club history their code of ethics event calendar rescue information and links.

Redwood Empire Mastiff Club - Events calendar show news membership information and a breeders' directory. West Coast.