Ni Sichong, Duke of the First Rank (simplified Chinese: 倪嗣沖; traditional Chinese: 倪嗣衝; pinyin: Ní Sìchōng; Wade–Giles: Ni² Si⁴-ch'ung¹; IPA: [ní sìʈ͡ʂʰʊ̄ŋ]; 1868–1924) was a Chinese general. He was one of the handful of Beiyang generals who along with Yang Du and others supported Yuan Shikai's Empire of China during the National Protection War. He was later part of the Anhui clique until resigning in 1920 due to the disastrous defeat in the Zhili–Anhui War.

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