Geng Wu (died 191), courtesy name Wenwei, was a chief clerk under Han Fu at the end of the Eastern Han. He opposed ceding Jizhou to Yuan Shao and was killed when Yuan Shao arrived.
Geng Wu was a man of the late Eastern Han. Wikidata uses Geng Wu as his name. The cited Chinese Wikipedia gives his courtesy name as Wenwei, so the title stays the personal name. This entry records his death in 191.[1][2]
The page, following the histories, says he was an officer under Han Fu and served as chief clerk. When Han Fu planned to yield Jizhou to Yuan Shao, Geng Wu, together with Min Chun and Li Li, advised against it and was dismissed. When Yuan Shao was about to reach Jizhou, Geng Wu refused him and was killed.[2]