Lǐ Péngfēi 李鵬飛 (b. c. 1222 — derived from his statement pú nián qīshí, fù nián qiě jiǔshíyī yǐ in his self-preface to the Sānyuán cānzàn yánshòu shū, dated wùchén = 1288 + completion c. 1291; fl. late 13th c.), Yuán Confucian scholar from Qíchūn 蘄春 (modern Húběi). At age 2 suì separated from his birth mother (relocated to Huáiběi during the SòngYuán transition); reunited with her in adulthood after three years of pilgrimage across Huáidōng and Huáixī. Sat for the tàixué examinations at the Ministry of Rites in Zhìyuán 25 = 1288. His principal work is the Sānyuán cānzàn yánshòu shū 三元參贊延壽書 (KR3eo012, also DZ 838) — one of the two foundational Yuán yǎngshēng treatises, completed c. 1291. Also credited with the Lìdài chéngbài shǐjiàn 歷代成敗史鑒 cited in Yuán shǐ · Yìwénzhì (no longer extant).
CBDB 103486 records him as fl. c. 1280. Not to be confused with the homonymous Qīng-era Lǐ Péngfēi (CBDB 77954, b. 1867).