Ji Xi may refer to:

• Duke Yang of Lu (died 988 BC or 989 BC)
• Marquis Mu of Cai (died 646 BC)
• King Lie of Zhou (died 369 BC)
• Xi of Yan (died after 222 BC)

• Jixi, Heilongjiang
• Jixi County, Anhui

This disambiguation page lists articles associated with the title Ji Xi.
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