1. Leona Helmsley
Net Worth: $8 Billion
Leona Helmsley was an American businesswoman mostly known for her reputation for tyrannical behavior, earning her the sobriquet “Queen of Mean”. Helmsley was investigated and convicted of federal income tax evasion and other crimes in 1989.
As of 2019, Leona Helmsley’s net worth is $8 Billion dollars, making her the richest criminal in the world.