There are roughly 340 dog breeds known worldwide, but the exact number varies depending on the kennel club or canine organization.

• The American Kennel Club (AKC) recognizes 202 dog breeds as of 2025.
• The Fédération Cynologique Internationale (FCI), the World Canine Organization, recognizes around 360 breeds.
• The Kennel Club (UK) recognizes 222 breeds.
• The Canadian Kennel Club recognizes 175 breeds.

These recognized breeds represent only a portion of the total, as there are many more regional, indigenous, and hybrid dog breeds not officially recognized by major organizations.