The midfield ace is in no doubt about who should replace Fabio Capello as England coach after the Euro 2012 finals next summer.
Kranjcar, 27, said: "I think everybody feels he has the attributes to be the England manager. I think it is his time.
"I have worked with him for a long period and the success he has had with Portsmouth and now with Spurs gives him all the credentials to count himself a person capable of being England's next manager.
"What he does is not a huge secret. He spots a great player, brings him into his club and gets the best out of him."