Mirat Sarsembayev (born July 13, 1986) is a Kazakh former professional boxer who competed from 2009 to 2010.

At the 2005 World Championships he beat Britain's Don Broadhurst and Tunisian Walid Cherif but lost the semifinal to Cuban southpaw Andry Laffita.

He was a member of the Kazakhstan national team that competed at the 2005 Boxing World Cup in Moscow, Russia.

At the 2008 Olympics he beat Rafał Kaczor of Poland (14:5) but lost to Russian Georgy Balakshin (4:12).

This biographical article related to Kazakhstani boxing is a stub.