- The word "Na'vi" in Hebrew means "prophet". A Na'vi is a visionary or someone who communicates directly with god. Its pleural "Nevi'im" refers to the prophetic books of the bible including Judges, Kings, and Isaiah.
- "Avatar" is Sanskrit for "incarnation". It is used extensively in Hindu scriptures to refer to human incarnations of God.
- According to James Cameron, the Na'vi are blue to create a conceptual parallel with traditional Hindu depictions of God (e.g., in the forms of Vishnu, Shiva, Rama, Krishna, etc.), but also because "I just like the color blue."
- Ey'wa, the deity of the Na'vi people, is a mixed-up pronunciation of "Yahweh", the God of the Hebrews.
- Sam Worthington said in an interview that it was easier for him to master the Na'vi language than the American accent.
- Matt Damon and Jake Gyllenhaal were the studio's first choice to play Jake Sully, but James Cameron decided to cast an unknown Sam Worthington in the lead role.
