Lee Mack comedy was doing Bobby Ball impressions at his school when he was 15. Mack is a keen supporter of Blackburn Rovers and occasionally visits Ewood Park to watch games. At one point, Mack shared a flat with Noel Fielding. In July 2012, Mack received an honorary doctorate from Brunel University. He published his autobiography "Mack the Life" () in the same year. In 2012, Mack was diagnosed with attention deficit hyperactivity disorder. Mack is a darts fan and regularly plays with his friend Tim Vine. Both men appeared on the debut series of "Let's Play Darts", facing each other in
Jerome D. Mack the basketball stadium at UNLV, which was named the Thomas & Mack Center in their honor. Later, the Thomas & Mack Legal Clinic at the William S. Boyd School of Law as well as the Thomas & Mack Moot Court Building were also named after them. Mack chaired a fundraising effort for the construction of the Artemus Ham Hall on the UNLV campus. He was inducted into the Business Hall of Fame of the Lee Business School at UNLV. He also received an honorary Doctorate from UNLV in 1983. Additionally, he served on a committee to establish the first Board