Chén Guī 陳規 (1071–1141), zì Yuánzé 元則, posthumously Zhōnghuì 忠惠, was a Northern–Southern Sòng transition military commander famed for his successful defence of Déān 德安 against Jīn (Jurchen) and rebel forces during the Jīngkāng / Jiànyán years. Native of Mìzhōu 密州 (Shāndōng). His major work is the Shǒu chéng lù 守城錄 (KR3b0015, the canonical Chinese siege-defence manual based on his Déān defence experience). Biography: Sòng shǐ j. 377.