Markus Kattner (born 24 September 1970 in Bayreuth, West Germany) is a German-Swiss business consultant and former association football executive.
He served as acting Secretary-General of FIFA from September 2015 to May 2016, but was sacked after being accused of paying himself bonuses worth millions of US Dollars during a previous stint as FIFA's director of Finance.
Markus Kattner has begun legal proceedings against FIFA before the competent court in Zurich as he believes his dismissal to be unjustified.