Niú Niǔ 牛鈕 (d. 1737), was a Kāngxī-period 康熙 court official and compiler. He was active in the imperial diary-lecture (rì jiǎng 日講) office from the late 1670s, and in Kāngxī 19 (1680) was commanded — together with Sūn Zàifēng 孫在豐 (孫在豐) — to compile the Rì jiǎng Yìjīng jiěyì 日講易經解義 (KR1a0116) in eighteen juàn, the principal early-Kāngxī imperial Yìjīng commentary. The work was completed and presented in Kāngxī 22 (1684). His other roles included compilation work on the Mǎnzhōu shílù 滿洲實錄 and other imperial historiographic projects.
CBDB id 72293 has death year 1737; birth year is undocumented. He held the imperial degree status of jìnshì and rose to senior Hànlín positions in the late Kāngxī period.