Yīn Fùchūn 陰復春 (fl. mid-13th c.), zì Zhōngfū 中夫, late-Southern-Sòng Bǎoyòu jiǔjīng kē passer of Fèngxīn 奉新 in Jiāngxī, elder brother of Yīn Jìngxián 陰勁弦. His sole attributed work is the annotation of his brother’s Yùnfǔ qúnyù 韻府群玉 (KR3k0039). The Yīn family lived together as a single jiā for several generations in the late-Southern-Sòng eremitic loyalist pattern; neither brother served under the Yuán.