How many languages can Guus Hiddink speak?

While there's no publicly available information about Guus Hiddink's exact linguistic abilities, we can assume he speaks:

* Dutch: His native language.

* English: He's coached in many English-speaking countries and given interviews in English.

* Possibly Spanish: He coached in Spain for a while, so it's likely he learned some Spanish.

It's possible he knows other languages from his experiences in Russia and other countries, but there's no confirmation.