Oksana Grishina (born 25 March 1978) is a Russian former gymnast and current professional fitness competitor.
Grishina was born in Kaliningrad and grew up both in Latvia and Russia. She earned a degree in 2000 from the University of Kalingrad as a specialist in Physical Training and Sports.
Grishina won both European and World overall championships titles, while competing as amateur. She earned her IFBB Pro Card in 2007. Grishina is the second ever Russian athlete to earn an IFBB Fitness Pro card.
She is currently living in California, USA.