The term Oro, when used by itself, can refer to:

• In Polynesian mythology (Tahiti), Oro is a god of both war and peace. During peacetime he was called Oro-i-Te-Tea-Moe ("Oro with the spear down"). He is a son of Tangaroa and Hina-Tu-A-Uta, and father of Hoa-Tapu , Toi-Mata , Ai-Tupuai and Mahu-Fatu-Rau .
• To the Rarotongans, Oro was the ancestor of their people.
• In the popular music industry, Oro is a certification by the RIAA for 100,000 units shipped. For more information see: RIAA certification
• A video game character. See Oro (video game character).
• A variation of the Orz emoticon.
• In the Japanese Animation, Rurouni Kenshin, Oro is used as an exclamatory word for thoughts such as: uh-oh, oh-boy, eek, meep, ow, erk, gah, buh, etc.