Thanyalak Chotphibunsin (Thai: ธัญลักษณ์ โชติพิบูลศิลป์; born November 19, 1990) is a Thai sport shooter.

[1] Chotphibunsin represented Thailand at the 2008 Summer Olympics in Beijing, where she competed in two rifle shooting events, along with her teammate Sasithorn Hongprasert.

She placed fortieth out of forty-seven shooters in the women's 10 m air rifle, with a total score of 388 points.

[2] Nearly a week later, Chotphibunsin competed for her second event, 50 m rifle 3 positions, where she was able to shoot 200 targets in a prone position, 178 in standing, and 191 in kneeling, for a total score of 569 points, finishing only in thirty-fifth place.

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