CanItalia - Focus on dogs in Italy, with events calendar, breeders list, clubs. In Italian and English.
Crazy for Dogs - Articles, postcards, games, photos, a dog of the week -- all for celebrating your dog.
Digital Dog - Information about breeds, adopting a dog, understanding behavior, and stories.
Do You Look Like Your Dog? - Enter this photo contest and you might end up in a book by the same name. Or just browse through the entries and see dozens of pictures of dogs and their people.
Dog FAQ - Collection of usenet FAQs, including dog behavior, training, and supplies.
Dog Infomat - As one of the oldest and most comprehensive, non-commercial, dog-related websites online, this site is dedicated to providing access to prescreened and reviewed resources as well as original content.
Dog Logic - Articles on dog obedience training, feeding, for large dogs especially.
Dog Owner's Guide - Guide for all breeds of dogs, health and training information, with bookstore and mall.
The Dog Scene - Information covering probably every aspect of getting and owning a dog, whether for pet, show, or breeding, and breed information.
DogHobbyist - An online community of dog hobbyists, businesses, keepers, breeders, and organizations. Chat rooms, classifieds, feature pages, and forums. Part of the PetHobbyist community.
The Dog's Best Friend - Breeders, responsible ownership, kids and dogs, all breeds, parks, laws, behavior, and training.
Dogs from About.com. - Find out the latest in training, grooming, breeding, feeding, and just about every other aspect of owning and loving a pooch.
Dogs India - About dogs, breeds - especially native Indian breeds - , animal welfare organizations, dog health, and puppy care. Classified ads for breeders, boarding kennels and other dog related businesses.
Dogs Worldwide - News, UK show results, directories of breeders and rescues worldwide, and articles on training.
Dogstop - Regular dog chat sessions, a health forum, dog show information and more for dog breeders and lovers.
Dog-tips.com - In-depth advice on dog breeds, puppies, behavior, training, grooming, breeding, exercise, health, adoption, dog toys, and kennels. Free Ask the Guru service.
Puppy Chow - Puppy nutrition information, a breed guide, and training tips.
SiriusDog - Informative articles for the performance dog enthusiast.
SpecificBreeds.com - Overviews general dog information including their senses, anatomy, and preparation for a new dog.
Taking the Lead with Gill Minter - Advice on behavioural and training issues, run by Gill Minter, UK Dog behaviouralist. Also, information on health issues, dog facts, dog humor, a doggie gallery and bulletin boards.
ThePoop.com - Message boards, expert advice, photo contests and classifieds.