Sune Berg Hansen (born 21 April 1971) is a Danish chess grandmaster. He is a seven-time Danish Chess Champion.

Hansen earned his international master title in 1993 and his grandmaster title in 1998. He has won the Danish Chess Championship on seven occasions: in 2002, 2005, 2006, 2007, 2009, 2012 and 2015. He has competed in eight Chess Olympiads: in 1994, 2000, 2002, 2004, 2006, 2010, 2012 and 2016. He has also competed in six European Team Chess Championships: in 2005, 2007, 2009, 2011, 2013 and 2015. As of September 2017, he has a rating of 2580, which makes him the No. 3 ranked Danish player.

Born in Gentofte, Hansen holds a cand.polit. from the University of Copenhagen and has been a professional poker player since 2005. He is also a day trader and writes a chess and poker column for the Danish newspaper Politiken. He founded the Danish PokerNet website, which was acquired by the RakeTech Group in 2017.