Bill Klein

William G. Klein (born ) is a retired American businessman and poker player from Laguna Hills, California.

Poker Klein's family was a part owner of a manufacturing company. They sold the company and he retired after being diagnosed with throat cancer. Klein entered the 2015 $111,111 One Drop High Roller and finished as the runner-up receiving a $2,465,522 payout.

In 2010, Klein appeared in Season 7 of Game Show Network's High Stakes Poker. In 2015, Klein played in the $250,000 Aria Super High Roller cash game where he won a $458,500 pot after hero calling Antonio Esfandiari with on a board of . Esfandiari held for a stone cold bluff.

As of 2023, Klein's live tournament winnings exceed $6,100,000.

Rankings Klein was ranked 18th and 96th on the 2015 & 2016 Money Lists, respectively. Klein is currently ranked #180 on the Global Poker Index with his highest ranking being #158.