Ralf Außem (born 1 September 1960) is a German football manager and former player who is youth team manager of 1. FC Köln.
Außem made Bundesliga debut with 1. FC Köln on 24 May 1980 against Werder Bremen, though he only played two minutes in his debut performance. He made his name in the eighties with SC Fortuna Köln.
From 2002 to 2004 he managed SC Fortuna Köln. He later became manager of Rot-Weiss Essen.
In September 2011, he was named caretaker manager of Alemannia Aachen following the sacking of Peter Hyballa. After one game (a 0–0 against SpVgg Greuther Fürth), Friedhelm Funkel took the job and had it until 1 April 2012 when he was put on a leave, too. After that, Außem got the job again as a caretaker until the end of the 2011–12 season.