Kristian Bak Nielsen

Kristian Bach Bak (né Bak Nielsen; born 20 October 1982) is a retired Danish professional footballer. Bakusually played central defender, but he has a past as a striker. He has played one game for the Danish under-21 national team.

FC Midtjylland

Kristian Bach Bak started his senior career with FC Midtjylland (FCM) in 2000. He helped FCM win the 2000 Danish 1st Division and gain promotion for the Danish Superliga. In his first years at FCM, he played as a striker, but eventually settled as a central defender.

He played all FCM's matches during the 2003–04 Superliga season, and was called up for the Danish under-21 national team in October 2003. He played a single under-21 national match, against the Bosnia & Herzegovina under-21s. He replaced Thomas Kahlenberg in the extra time of the second half, in a match which Denmark won 3–0. He was also rewarded with a new contract.

He prolonged his FCM contract in November 2004, and went on to become captain of FCM during 2005. On 20 November 2006, he was called up for the Danish league national team, playing unofficial games against the United States, El Salvador and Honduras in January 2007, by national team manager Morten Olsen. He was called up for the Danish national team in March 2007.

SC Heerenveen

On 19 June 2007, he signed a four-year contract with the Dutch team SC Heerenveen. He was sidelined with an ankle injury from the end of the December 2007. He made his league return in October 2008, against Ajax.

FC Midtjylland

In 2010 Bach Bak moved back to FC Midtjylland. On May 21, 2015 he won the first national title of his career, winning the Danish Superliga after a 0-0 draw against FC Vestsjælland.

After he retired from football in 2016, he was announced as the new assistant manager of the club.

In May 2019, Bak joined Denmark Series 4 amateur club TIF All Stars.

SC Heerenveen

• KNVB Cup: 1

2009

FC Midtjylland

• Superliga: 1

2014/2015