Ariel \a-riel\ as a girl's name (also used as boy's name Ariel), is pronounced AYR-ee-ul. It is of Hebrew origin, and the meaning of Ariel is "lion of God". Biblical place name for Jerusalem. Literary: Shakespeare gave the name to a prankish spirit in "The Tempest". Ariel was also made popular in modern times as the name of the mermaid in Walt Disney's cartoon feature film "The Little Mermaid". Arielle is a modern coinage.