The National Consumers League, founded in 1899, is an American consumer organization. The National Consumers League is a private, nonprofit advocacy group representing consumers on marketplace and workplace issues. The NCL provides government, businesses, and other organizations with the consumer's perspective on concerns including child labor, privacy, food safety, and medication information.

Consumer organizations are advocacy groups that seek to protect people from corporate abuse like unsafe products, predatory lending, false advertising, astroturfing and pollution.