# James Duff

_American billionaire businessman_

Canonical: https://diginpl.com/people/james-duff
Last updated: 2026-10-30

> James Ernest Duff is an American billionaire businessman. Alongside his brother Thomas Duff, he co-owns Southern Tire Mart, the nation's largest truck tire dealer and retread manufacturer, and Duff Capital Investors, the largest privately owned business in Mississippi. With respective net worths of $4.1 billion each, the Duff brothers are the wealthiest individuals in Mississippi.

## Quick facts

- **Occupation:** businessperson ([Wikidata](https://www.wikidata.org/wiki/Q60735011#P106))

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## Sources

- [Wikipedia (English): James Duff](https://en.wikipedia.org/wiki/James_Duff_(businessman)) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q60735011](https://www.wikidata.org/wiki/Q60735011) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)

## Licence and attribution

Text from the Wikipedia article James Duff, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0).

## Cite this page

"James Duff". DigiNepal. Last updated 30 October 2026. https://diginpl.com/people/james-duff. Retrieved 6 November 2026.