The Kanno Disturbance was a power struggle within the Muromachi bakufu (Japanese feudal government headed by a shogun) that reached its height during the Kanno era from 1350 to 1352 of the Northern and Southern Court period.
観応の擾乱（かんのうのじょうらん）は、南北朝時代(日本)の1350年-1352年の観応年間に頂点に達した室町幕府内の権力闘争。