Keith Hart (born in Manchester, England) is a British anthropologist and writer living in Paris. His main research has focused on economic anthropology, Africa and the African diaspora, and money. He has taught at universities including East Anglia, Manchester, Yale and the Chicago, as well as at Cambridge University where he was director of the African Studies Centre. He contributed the concept of the informal economy to development studies and has published widely on economic anthropology. He is the author of The Memory Bank: Money in an Unequal World and Self in the World: Connecting Life's Extremes. His written work focuses on the national limits of politics in a globalised economy.