Märt Koik (born October 8, 1990 in Haapsalu) is an Estonian actor and video blogger.

He graduated from Märjamaa Gymnasium in 2010, and in 2015, Viljandi Academy of Culture of the University of Tartu, Department of Performing Arts, majoring in acting.

Märt Koik was one of the founders of the project theater Must Kast in 2014 and worked there as an actor until 2019.

On November 10, 2018, the satirical show "Ongi Koik" started on Estonian Television, with Märt Koik in the lead role (and in many other parts).

For a short time, together with Katariina Tamm, he hosted the satirical program "Your week sounds familiar" on Kanal 2.

On July 8, 2020, Märt Koik and Andreas Jääger started the podcast "Thugs", where current topics are discussed. The podcast can be found on every platform, including YouTube.