#10. John Fredriksen (Valerenga): $9.7 billion net worth
With a net worth of US$ 9.7 billion, the Norwegian born oil tanker and shipping magnate is one of the richest football club owners in the world. Fredriksen is currently the owner of Norwegian football giants Valerenga IF. In 2012, he was included in the 50 Most Influential list of Bloomberg Markets magazine. Quite clearly, this man’s wealth is unlikely to decline considering the successful ventures he has taken in recent years.