Thomas Duff (businessman)

Thomas Milton Duff
Born (1956-12-31) December 31, 1956
NationalityAmerican
OccupationBusinessman
TitleCo-owner, Southern Tire Mart and co-founder, Duff Capital Investors
Political partyRepublican
Children2
Parent(s)Ernest Duff
RelativesJames Duff (brother)

Thomas Milton Duff (born December 31, 1956) is an American billionaire businessman and philanthropist. Alongside his brother, James Duff, he co-owns Southern Tire Mart, the largest truck tire dealer and retread manufacturer in the United States, and Duff Capital Investors, the largest privately owned business in Mississippi. With a net worth of $3.3 billion, the Duff brothers are the wealthiest individuals in Mississippi.

In addition to his business ventures, Duff has been involved in public service, serving on the Mississippi Institutions of Higher Learning Board of Trustees and supporting Republican political campaigns. He is also known for significant philanthropic contributions to Mississippi universities.