(牛 娴娴, b. 1964) Chinese 5 dan professional. She is married to Michael Redmond 9 dan. She is now living in Chiba City. Her sister, Niu Li Li has long been Go Seigen's amanuensis.
(bugcat: The Perfect Weiqi Database gives her as 3p, a rank it states she achieved in 1982. Is there any source for the claim that she has advanced to 5p? The statement was in the article's original version on its creation in 2008.)