Duke Ping of Cáo () was a nobleman in ancient China, who lived during the Zhou dynasty.
He was ruler of the State of Cao from 527 BC to 524 BC, successor and son of Duke Wu of Cao.
His personal name was é Â/é¡» (Xà «).
Pingûs son Jë Wà  later became Duke Dao of Cao after Ping died in 524 BC.