Cao Ju may refer to:

• Cao Ju (Prince of Fanyang) (曹矩), a son of the Han dynasty warlord Cao Cao
• Cao Ju (Prince of Pengcheng) (曹據), a son of the Han dynasty warlord Cao Cao and a prince of the Cao Wei state in the Three Kingdoms period

This disambiguation page lists articles associated with the title Cao Ju.
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