Sheep
- Web Sites
- American Cheviot Sheep Society
- American Hampshire Sheep Association
- American Sheep Industry Association
- ARK Sheep Mapping Database
- Australian White Suffolk Association
- Australian Wool Growers Association
- Australian Wool Innovation
- Breed Associations
- Breeds of Livestock: Sheep
- California Wool Growers Association
- Canadian Sheep Breeders' Association
- Canadian Sheep Federation
- Cormo Sheep Conservation Registry
- Cornell Sheep Program
- Icelandic Sheep Breeders of North America
- Jacob Sheep Conservancy
- Maine Sheep Breeders Association
- Maryland Small Ruminant Page
- Mendelian Inheritance in Sheep
- Michigan Sheep Breeders Association
- Minnesota Lamb & Wool Producers Association
- National Lamb Feeders Association
- National Sheep Improvement Program
- National Tunis Sheep Registry
- Navajo-Churro Sheep
- NetVet - Small Ruminants - Sheep
- North American Shetland Sheepbreeders Association
- Sheep Canada Magazine
- Sheep! Magazine
- Sheep Veterinary Society
- Texas Sheep & Goat Raisers Association
- UK Sheep Genetics
- United States Sheep Breeders Online Directory
- United Suffolk Sheep Association
- University of Idaho - Sheep Research & Teaching Center
- Virtual Livestock Library - Sheep