Hao can have several different meanings:

• Used in reference to Chinese culture, hao is the word for a "courtesy name".
• Hao is also the name of a coral atoll in the central part of the Tuamotu Archipelago.
• Hao was the name of the capital of Western Zhou dynasty of China. Near present day Xi'an.
• Hao Asakura (also known as Zeke Asakura) is a fictional character in Shaman King