Variant of Alan. A famous bearer of this name was Allen Ginsberg (1926-1997), an American beat poet. Another is the American film director and actor Woody Allen (1935-), who took the stage name Allen from his real first name.
Derived from Arabic الإله (al-ilah) meaning “the deity”. It is primarily used to refer to the Islamic God, though it was originally used by pre-Islamic Arabs, and is sometimes used by Arabic-speaking Christians and Jews.