Gustav Hansen (born 13 February 1974) is a Danish professional poker player from Copenhagen, Denmark who has lived in Monaco since 2003.

[10] In the 2006 Tournament of Champions, Hansen made a World Series of Poker final table, but lost on the very first hand with ace king against a pair of 9s.

[14] In September 2006, Hansen won the inaugural EPM event, The London All Star Challenge, beating Marc Goodwin to take home the title and a cheque for £53,600 ($US100,275).

[15] Hansen won the inaugural $400,000 Poker Superstars Invitational Tournament, winning the $1,000,000 first prize in a one-table event featuring some of the best-known players.

[18] In 2006, Hansen was a member of the winning Danish team in the PartyPoker.com Football & Poker Legends Cup tournament, alongside Theo Jørgensen and Kim Christofte.

Hansen was the first winner on NBC's Poker After Dark, earning $120,000, as he outlasted a field of six pros, including Phil Hellmuth and Huck Seed.

[21] In January 2007, Hansen won the $10,500 main event at the Aussie Millions in Melbourne, Australia, beating a field of 747 players to take home the A$1,500,000 first prize.

[23] In 2010, Hansen won the £10,350 No Limit Hold'em High Roller Heads-Up event at the WSOPE, winning his first WSOP bracelet and £288,409, equivalent to $451,880.

[27] An "E" following a year denotes bracelet(s) won at the World Series of Poker Europe Despite his ongoing success, Hansen has struggled with money problems, reportedly because of losses in live cash games.