Foie gras ; French: [fwa ɡʁɑ], ) is a specialty food product made of the liver of a duck or goose. According to French law, foie gras is defined as the liver of a duck or goose fattened by gavage.

A specialty food is a food that is typically considered as a "unique and high-value food item made in small quantities from high-quality ingredients". Consumers typically pay higher prices for specialty foods, and may perceive them as having various benefits compared to non-specialty foods.