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Yan Wen 閻溫, courtesy name Bojian 伯儉, was an official of the very late Eastern Han period 東漢 (25-220 CE).
He hailed from Xiyu 西域 in the commandery of Tianshui 天水 (today's Gangu 甘谷, Gansu) and was magistrate (ling 令) and military commander of Shanggui 上邽. When the warlord Ma Chao 馬超 invaded the region, many welcomed him, but Yan Wen defended the provincial capital and sought for help by Xiahou Yuan 夏侯淵, but Ma Chao captured Yan Wen and killed him.