Abu Huraira spoke Persian and Abyssinian. (Muslim #2221a, Abu Dawud 2277)
Before Waraqa bin Nawfal went blind, he used to write the Gospel in Hebrew. (Al-Bukhari #3)
Zayd ibn Thabit learnt and mastered the language of the Jews (Hebrew) in fifteen days.
(Sunan Abu Dawud,3645, Hassan Saheeh by Al-Albani)
(Note: The Ahadith referenced are actually detailed incidents, the above sentences are just the inference from them.)
Saheehus-Seerah 