Alexander Tomasovich Mirsky (Russian: Александр Томасович Мирский, Latvian: Aleksandrs Mirskis; born 20 March 1964) is a Latvian politician of Russian and Jewish descent.

He worked as a building project leader from 1986 to 1989 and from 1990 to 1992, taking a one year break for service in the Soviet Army as commander of a radiation reconnaissance unit.

[1] In 1992, Mirsky was made a technical director and seven years later became the general manager of a construction company.

He retired from business to become an adviser to the mayor of Riga Gundars Bojārs from 2001 until 2005, later being elected to the Saeima, the Latvian parliament 2006 until 2009.

In 2014 he ran as a candidate of his own political party Alternative and was not re-elected at the European election.