A free lunch is a meal offered as a sales enticement.
Free Lunch may also refer to:
Literature Free Lunch: How the Wealthiest Americans Enrich Themselves at Government Expense and Stick You With The Bill, a 2007 nonfiction book by David Cay Johnston The Free Lunch, a 2001 novel by Spider Robinson Free Lunch (book), a 2019 nonfiction book by Rex Ogle
Music "Free Lunch" (song), by Isaiah Rashad Free Lunch, an EP by Wale
Other uses National School Lunch Program, a United States government program. No such thing as a free lunch, an economic concept. No free lunch theorem, mathematical folklore. No free lunch in search and optimization, mathematical theorem.