8. Lennox Lewis

Net Worth: $140 Million
Lennox Lewis is a former professional boxer who competed from 1989 to 2003. Lewis is a three-time world heavyweight champion and a two-time lineal champion. He represented Canada as an amateur at the 1988 Summer Olympics by winning the gold medal in the super-heavyweight division.
As of 2019, Lennox Lewis’ net worth is approximately $140 million dollars, making him the 8th richest boxer on the list.