Michisada KAZANIN (year of birth unknown - May 17, 1400) was a kugyo (court noble) who lived during the period of the Northern and Southern Courts (in Japan) and during the Muromachi period.
花山院通定（かざいんみちさだ、生年不詳－応永7年4月14日(旧暦)（1400年5月8日））は、南北朝時代(日本)・室町時代の公卿。