Chilkhaajavyn Avday (; b. 1943) is a Mongolian engineer and politician. He is a member of the Mongolian Academy of Sciences.
Awards People's Teacher () of Mongolia Ч.Авдай ШУТИС-ийн “Хүндэт доктор” цол хүртэв (Mongolian University of Science and Technology) Honorary degree (Mongolian University of Science and Technology)
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