Youssef Kaddioui Idrissi (; born 28 September 1984) is a Moroccan former professional footballer who played as a winger. He made seven appearances for the Morocco national team scoring once.
Keddioui won the 2008 Coupe du Trône with FAR Rabat.
Keddioui played for the "B" Morocco national team in a 2009 African Championship of Nations qualifying match against Algeria on 3 May 2008.
In July 2009, Keddioui joined Saudi Arabian Professional League side Al-Wehda Club.
In January 2019, Keddioui was loaned out to RCA Zemamra from FAR Rabat.