Paul Jonathan Mason

Paul Jonathan Mason (born 1960) is an English man who is known for being one of the world's former heaviest men, weighing in at at his peak Mason was given a gastric bypass surgery in 2010, and lost an estimated . He is the heaviest recorded person from the United Kingdom, a record which holds to this day.

Several years earlier he had applied to the National Health Service for gastric bypass surgery, to help him get his weight down. Mason applied several times and in the end waited 10 years before he was approved for surgery. In 2010, two years after beginning counseling, Mason finally had the surgery he desperately needed and wanted. Five years later, he had lost over and weighed around . The surgical removal of of excess skin allowed for greater mobility, which made him able to exercise, and lose more weight. In 2014 he weighed , a total weight loss of . Mason had a further of loose skin removed at New York's Lenox Hill Hospital in May 2015. As of March 2017, Mason weighed and was living in a boarding house in the United States.

In 2018 he split with his girlfriend, after which he became addicted to food once again.