《曲洧舊聞》是南宋時期由官員、文學家朱弁所撰寫的文言小說集，共十卷。《文獻通考》載有弁《曲洧舊聞》一卷、《雜書》一卷、《骫骳說》一卷。

《曲洧舊聞》創作于作者被羈留在金國期間。作品追憶並記錄了北宋及南宋初期的朝野遺事、社會風情和士大夫軼聞，展現了作者的高度愛國熱情及對北宋滅亡、南宋貧弱的理性反思。作品內容豐富、情節生動、文字雅潔、活潑風趣，具有較高的文學價值和史料價值。

建炎二年(1128)，朱弁出使金國後被迫羈留十六年，期間撰寫此書回憶故國。此書主要記錄陳橋兵變後的北宋初年到及至南宋初年的朝野遺事、社會風情，例如《舊聞》提到北宋末年「王將明（王黼）當國時，公然受賄賂，賣官鬻爵，至有定價」，《四庫全書》收錄該書，並稱其「意在申明北宋一代興衰治亂之由，深於史事有補，實非小說家流也」。

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Quwei Jiuwen (曲洧舊聞, "Old Stories from Quwei") is a Chinese biji-style history book written by the Song dynasty diplomat Zhu Bian during his captivity in Jurchen-ruled Jin dynasty territory. He finished the book in 1138, and brought it back to his country in 1143, a year before his death.

Zhu Bian volunteered for a diplomatic mission to Jin in 1127 to visit the captured Song emperors Emperor Qinzong and Emperor Huizong, but he was detained and not allowed to return until 1143. He was humiliated but remained loyal to the Song. It was during this period that he wrote Quwei Jiuwen based on what he had heard during his youth in Quwei (modern Xinzheng), where he lived before the Jurchens invaded.

Quwei Jiuwen in 10 chapters contains many stories about the Song emperors and their subjects. In particular, Zhu Bian blamed the decline and fall of Northern Song on the policies of Wang Anshi and Cai Jing. Quwei Jiuwen also contains his personal experience with Buddhism, as well as notes on poetry and supernatural stories.