Aflac, or American Family Life Assurance Company, is a prominent insurance provider founded in 1955 in Columbus, Georgia. It is the largest provider of supplemental insurance in the United States, offering financial protection to over 50 million people globally. Aflac specializes in supplemental insurance policies that deliver cash benefits to policyholders in the event of covered accidents or illnesses, assisting with out-of-pocket medical expenses.

The company is known for pioneering cancer insurance in 1958 and has a significant presence in both the U.S. and Japan. Aflac employs a unique sales strategy focused on worksite marketing and payroll deduction plans, with a majority of U.S. policies issued through employer-sponsored programs. Its product offerings include cancer insurance, accident insurance, critical illness insurance, and hospital indemnity insurance. Aflac has built strong brand recognition, particularly through its advertising campaigns featuring the Aflac Duck, which began in 2000.