The Portuguese manager is set to return to Chelsea in the summer but has not contacted the young Belgian, who is on loan at Atletico Madrid from Stamford Bridge
The Real Madrid boss is set to return to west London this summer, while the Belgian has spent the last two seasons at Atletico Madrid as his parent club look to blood him.
However, the 21-year-old says he has not been in contact with the Portuguese.
"I have not spoken with Mourinho about my future," he told EFE.
Atleti face Madrid in the Copa del Rey final on Friday and Courtois believes that anything could happen in the clash.
"For the budget and the players then maybe yes they are favourites, but finals are different."
Courtois has made almost 100 appearances for Atletico since first joining the club in 2011, winning the Europa League and European Super Cup since moving to the Spanish capital.