Dietmar "Didi" Constantini (30 May 1955 – 18 December 2024) was an Austrian football player and manager.
Constantini was appointed head coach of the Austria national team in March 2009 and was replaced by Marcel Koller in October 2011.
In his career as club manager, he coached FC Kärnten, FC Pasching, and Austria Vienna, amongst others.
Constantini died on 18 December 2024, at the age of 69, after years of suffering from dementia.
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