Martin Jacobson (born June 30, 1987) is the Swedish professional poker player who won the 2014 World Series of Poker Main Event and brought home $10,000,000.

His first live cash came is dated back 2008, when he got the 3rd place at the European Poker Tour event in Hungary. In season 7 of the EPT he made 3 final tables. He also finished runner-up at the World Poker Tour event in Venice in 2009. Prior to the 2014 Main Event, his largest tournament cash comes from a 6th place finish at the Big One for One Drop High Rollers event at the 2013 WSOP, earning $807,000. He has 16 career WSOP cashes, including 5 final tables.

At the 2014 Main Event, he entered the November Nine in 8^th chip position. He began the heads-up as cheap leader and eventually won the title with a 10 10 over Stephensen's A 9.

His total live tournament winnings now exceed $14,700,000, whose $11,224,000 are the 16 WSOP cashes.

Jacobson is a member of Raising for Effective Giving, a community of poker players who aim to have a positive impact on the world through direct engagement and donations to charities.