Ekaterina Kosminskaya (Russian: Екатерина Косминская; born 24 June 1988) is a former professional tennis player from Russia.

[1] Ekaterina was born to Petr and Irina Kosminskaya on 24 June 1988 in Moscow, Soviet Union.

Ekaterina Kosminskaya At age five or six she was sent by her parents to the Luzhniki per the attending the sports club there, coached by her Irina Granaturova.

In 2003 Kosminskaya won a prestigious tournament for juniors Orange Bowl partnering Marina Erakovic (Grade A).

She decided to follow the college route and was part of the Penn Quakers tennis team from 2006 to 2009.