"Hezbollah" means "party of God" in Arabic. It is a popular name for Islamist organizations:
Hezbollah of Lebanon, a Shi'a political party and militia which played a major role in getting Israel out of Lebanon, officially listed as a terrorist organization by Israel, U.S., UK, the Netherlands, Australia and Canada
Hizbullahî Kurdî of Turkey, unrelated to the above, is a Kurdish, Sunni Islamist, separatist terrorist group in Turkey.
Kata'ib Hezbollah, also known as Hezbollah Brigades, a Shi'a Islamist, Insurgent group in Iraq.