Kokushi kasei joso refers to acts and phenomena of appeals and armed struggles by Gunji (local magistrates), Tato (cultivators), Fumyo (tiller of the public rice field), and the farmer class in order to complain to the central government Daijokan (Grand Council of State) about tyrannies and illegal behaviors of Kokushi (or Zuryo) (provincial governors), Chihokan (local officials) during the Heian period in Japan.
国司苛政上訴（こくしかせいじょうそ）は、日本の平安時代に郡司・田堵・負名・百姓階層が地方官である国司（受領）の苛政・非法を中央政府（太政官）へ訴えた行為、現象または闘争形態。