The Portuguese boss, known as the 'Special One', guided the Nerazzurri to the UEFA Champions League and Serie A titles as well as the Italian Cup last season.
The 47-year-old edged out Spain's World Cup-winning coach Vicente Del Bosque and Barcelona's Pep Guardiola to lift the gong.
Mourinho, now in charge at Real Madrid,became only the third coach to win the European trophy with two different clubs last term having first lifted it with Porto in 2004.
