Ea can signify several things.

• Electronic Arts, EA, the video/computer games company.
• Eastern Airlines, a defunct US domestic airline.
• Eastern Airways, a UK domestic airline.
• Eä, the World that IS of JRR Tolkien's Middle Earth universe.
• Ea, the Babylonian water deity
• Éa, of Ursula K. LeGuin's Earthsea fictional universe.
• EA was the IATA alpha code designator for Eastern Airlines

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