Complete Dog Breed Encyclopedia: 242 Breeds A-Z with Photos & Full Characteristics

Welcome to the most comprehensive dog breed encyclopedia on the web — a meticulously researched, regularly updated guide covering 242 officially recognized dog breeds from every corner of the globe. Whether you are searching for the perfect family companion, a working dog for specific tasks, or simply curious about canine diversity, this guide provides everything you need: breed origin, size, weight, lifespan, AKC group classification, personality traits, and a high-quality photograph for every single breed.

From the ancient Saluki of Mesopotamia — one of the oldest domesticated dog breeds dating back over 5,000 years — to the modern Biewer Terrier only recognized by the AKC in 2021, our database spans the full spectrum of Canis lupus familiaris diversity. Breeds are organized alphabetically (A–Z) and color-coded by their official AKC group: Sporting, Hound, Working, Terrier, Toy, Non-Sporting, and Herding. Use the search bar to instantly filter by any breed name, or navigate by letter using the A–Z index above each section.

Each breed profile includes verified data sourced from the American Kennel Club (AKC), the Fédération Cynologique Internationale (FCI), and the United Kennel Club (UKC) — the three primary canine registry authorities worldwide. Photos are sourced from Wikimedia Commons and optimized for fast loading via the wsrv.nl image API. This article is published and maintained by the editorial team at Encyclopedia.Guru / Dog Breed.