Mikhail Aleksandrovich Kukushkin (Russian: Михаил Александрович Кукушкин; born 26 December 1987) is a Russian-born Kazakhstani professional tennis player. He has a career-high ATP singles ranking of world No. 39, achieved on 25 February 2019.

He turned pro in 2006. Before 2008, he played for his country of birth, Russia.

In 2009, he came through qualifying to reach the main draw of a Masters Series 1000 tournament for the first time at the Miami Masters. He beat Tommy Haas in the first round, but lost to Dmitry Tursunov in the second round.

In September 2010, during the Davis Cup play-offs, he notably beat Swiss player Stanislas Wawrinka. His good form continued, later winning his only ATP World Tour title, as he beat world number 10 player Mikhail Youzhny in the final of the St. Petersburg Open 6–3, 7–6.

In January 2012, Kukushkin became the first player from Kazakhstan to reach the fourth round of the 2012 Australian Open, after defeating Guillermo García-López, Viktor Troicki and Gaël Monfils.

Later that season, he reached a then career-high singles ranking of World No. 49 on 11 June 2012, just after the quarterfinals at Nice and the second round at the 2012 French Open.

At the 2012 Olympics, he lost in the first round of the men's singles to Gilles Simon. By the end of 2012 he suffered from a bad hip injury and had to go for surgery twice.

By August 2013, his ranking had tumbled to No. 430. After making his recovery he reached the third round of the 2013 US Open, his best performance at the Grand Slam starting from the qualifying draw.