Joachim Fischer Nielsen (born 23 November 1978) is a Danish retired badminton player.

At the 2012 Summer Olympics, he won the bronze medal in the mixed doubles with teammate Christinna Pedersen.

[1] Fischer Nielsen was named Badminton Denmark 2011 Player of the Year together with his partner in the mixed doubles Christinna Pedersen.

A season of Superseries consisted of twelve tournaments around the world that had been introduced since 2011.

[7] Successful players were invited to the Superseries Finals, which were held at the end of each year.