The Food and Nutrition Service (FNS) is an agency of the United States Department of Agriculture (USDA). The FNS is the federal agency responsible for administering the nation’s domestic nutrition assistance programs. The service helps to address the issue of hunger in the United States.

The United States Department of Agriculture (USDA) is an executive department of the United States federal government that aims to meet the needs of commercial farming and livestock food production, promotes agricultural trade and production, works to assure food safety, protects natural resources, fosters rural communities and works to end hunger in the United States and internationally. It is headed by the secretary of agriculture, who reports directly to the president of the United States and is a member of the president's Cabinet. The current secretary is Tom Vilsack, who has served since February 24, 2021.