KI no Kaion (1663 - October 31, 1742) was joruri (dramatic narrative chanted to a shamisen accompaniment) author, kyokashi (a person who makes and teaches a comic tanka), and haiku poet who lived during the middle of the Edo period.
紀海音（きのかいおん、寛文3年（1663年）-寛保2年10月4日(旧暦)（1742年10月31日））は、江戸時代中期の浄瑠璃作家、狂歌師、俳人。