Duke Ping of Cáo (Chinese: 曹平公; pinyin: Cáo Píng Gōng) 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 . His personal name was 須/须 (Xū). Pingʻs son Jī Wŭ later became Duke Dao of Cao after Ping died in 524 BC.