Marina Aleksandrovna Aitova, née Korzhova (born 13 September 1982) is a Kazakhstani high jumper.

Her personal best jump is 1.99 metres, achieved in July 2009 in Athens.

Aitova represented her country at the 2004 Summer Olympics, but again she failed to progress beyond the qualifying round.

In 2008, she took fifth place in the IAAF World Indoor Championships in Athletics and attended the 2008 Beijing Olympics, finishing tenth overall.

This biographical article relating to Kazakhstani athletics is a stub.