American Kennel Club (AKC)
Bullmastiff

The Bullmastiff is a large, protective breed known for their loyalty and calm demeanor.
Cairn Terrier

The Cairn Terrier is a small, independent terrier from Scotland known for hunting vermin.
Canaan Dog

The Canaan Dog is an ancient breed from Israel with a strong guarding instinct.
Cane Corso

The Cane Corso is a large, powerful Italian breed known for its loyalty and protective nature.
Cardigan Welsh Corgi

The Cardigan Welsh Corgi is a herding breed from Wales known for its distinctive appearance, intelligence and loyalty.
Carolina Dog

The Carolina Dog is a medium-sized, primitive breed known for its loyalty, independence, and moderate exercise needs.
Catahoula Leopard Dog

The Catahoula Leopard Dog is a versatile working breed from Louisiana known for its unique merle coat and high energy levels.
Caucasian Shepherd Dog

A large, protective breed from the Caucasus region, the Caucasian Shepherd Dog requires an experienced owner for their intense loyalty and guarding instincts.
Cavalier King Charles Spaniel

The Cavalier King Charles Spaniel is a small, affectionate, and playful companion dog.
Central Asian Shepherd Dog

The Central Asian Shepherd Dog is a large, protective breed with a strong guarding instinct that requires experienced owners.