Rudy Markussen (born 24 July 1977), is a former Danish professional boxer who competed from 1997 to 2015.
He challenged once the IBF super middleweight title in 2002, and once for the interim WBA super middleweight title in 2012.
At regional level, he held the WBO Inter-Continental super middleweight title from 2003 to 2004 and the EBU European super middleweight title in 2004.
In 2006, Markussen was in a car accident, which temporarily put a halt to his career.
He made a comeback 4 years later, having 6 fights between 2010 and 2012 (5 wins, 1 loss) before having a 3 year break from the ring.
Markussen returned in 2015 for 2 final fights before permanent retirement.