James Arthur Haslam III (born March 9, 1954) is an American businessman and sports executive. He is the chairman of the board of the Pilot Flying J truck stop chain. He and his wife Dee own the Cleveland Browns of the National Football League (NFL), the Columbus Crew of Major League Soccer (MLS), and stake in the Milwaukee Bucks of the National Basketball Association (NBA). Under Haslam's ownership, the Crew have won two MLS Cup Championships (2020 and 2023).

His father Jim Haslam founded the Pilot Corporation in 1958 as the Pilot Oil Corporation.

Haslam, who lives in his native Knoxville, Tennessee, is the elder brother of Bill Haslam, former Governor of Tennessee. He is married to Susan "Dee" Bagwell Haslam, CEO of RIVR Media, part of the family ownership group of Pilot and co-owner of the Browns and Crew. They have three adult children, James Bagwell Haslam (adopted 2016), Whitney Haslam Johnson, and Cynthia Haslam Arnholt and five grandchildren.

While attending the University of Tennessee, Haslam was a roommate of Bob Corker, who went on to become a United States Senator from Tennessee. He is a member of the Sigma Chi fraternity.

Haslam began his career at Pilot Corporation in 1976, which his father had founded. In 1980, Haslam was named vice president of sales, development and operations. At that time, Pilot operated 100 convenience stores with annual fuel sales of about 125 million gallons. Pilot opened its first travel center in 1981, and by 1996 – the same year Haslam was named president and chief executive officer – the company operated 96 travel centers and 50 convenience stores and its total gallon sales had reached 1.2 billion. Pilot Corporation attained yet another milestone in 2001 when it joined with Marathon Ashland Petroleum LLC to form Pilot Travel Centers LLC.

In 2008, Pilot Corporation announced that CVC Capital Partners had acquired 49.8% interest in Pilot Travel Centers LLC, facilitating the sale by Marathon Petroleum Company (formerly Marathon Ashland Petroleum) of its interest in Pilot Travel Centers. Pilot Corporation retained 50% ownership of Pilot Travel Centers LLC. In 2015, the Haslam family acquired all of CVC Capital Partners’ shares in the company. Pilot's convenience store operations continue to be fully owned by Pilot Corporation.In 2010, Pilot Travel Centers LLC joined with Flying J Inc. In 2012, Pilot Flying J acquired Western Petroleum and the majority ownership of Maxum Petroleum and in 2012 formed Maxum Enterprises LLC, d/b/a Pilot Logistics Services. In 2014, Pilot Logistics Services merged with Thomas Petroleum to form Pilot Thomas Logistics. Pilot Flying J subsidiary Pilot Thomas Logistics is one of the fastest growing energy logistics companies in North America.

Pilot Flying J is one of the largest top 10 privately held companies in the United States and employs more than 24,000 employees. The Pilot Flying J network provides customers with access to more than 70,000 parking spaces for trucks, 4,800 showers and 4,300 diesel lanes featuring DEF at the pump.

In April 2013, Federal Bureau of Investigation and Internal Revenue Service agents executed a search and seizure warrant and affidavit detailing a five-year fraud scheme by the Pilot Flying J chain. The company paid restitution to customers and agreed to pay a $92 million penalty pursuant to a Criminal Enforcement Agreement.