Leonberger Regional Clubs
- Great Lakes Leonberger Club
Ohio, Michigan, Wisconsin, Minnesota, Indiana, Illinois, and Canada
- Leonberger Club of the Northwest
Washington, Oregon, Idaho, Montana, and British Columbia
- Mid-Atlantic Leonberger Club
Pennsylvania, Maryland, Virginia, West Virginia, North Carolina, Delaware, and Kentucky
- Northeast Regional Leonberger Club
New York, Vermont, Connecticut, Massachusetts, Rhode Island, Maine, New Jersey, Pennsylvania, Delaware, and New Hampshire
- Northern California Leonberger Club
California, from Bakersfield north to the Oregon border, as well as northern Nevada
- Rocky Mountain Leonberger Club
Colorado, Utah, and Wyoming
- Southeast Leonberger Club
North Carolina, South Carolina, Georgia, Florida, Alabama, and Tennessee