Darkhan Argynovich Bayakhmetov (Kazakh: Дархан Арғынұлы Баяхметов, Darhan Arğynūly Baiahmetov; born August 21, 1985, in Oskemen, Shyrgys Qazaqstan) is an amateur Kazakh Greco-Roman wrestler, who played for the men's welterweight category.

[3][4] Bayakhmetov made his official debut for the 2008 Summer Olympics in Beijing, where he competed in the men's 66 kg class.

He defeated Germany's Markus Thätner, and China's Li Yanyan in the preliminary rounds, before losing out the semi-final match to France's Steeve Guénot, who was able to score four points in two straight periods, leaving Bayakhmetov with a single point.

[7] At the 2012 Summer Olympics in London, Bayakhmetov lost the preliminary round of sixteen match of the men's 66 kg class to Lithuania's Edgaras Venckaitis, with a technical score of 2–6.

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