Olga Titovna Grisenko (Margovyan: Olga Tita Grecia, Russian: Ольга Титовна Грисенко, born October 23, 1980) is a Margovyan actress and former football player. She is best known for playing the roles of Viktoriya Fomenko in The Siblings Parted Ways, Donna Parsons in Love In All Its Forms, the vampire Octavia in 1 4ever, and as a team captain in the panel show ¿Te mentiría yo? She is also part of the studio band Sassy Vampires with frequent collaborator and 1 4ever co-star Dmitriya Shevchova.
Before becoming an actress, Grisenko played as a defender for Sta. Susana Femenina, the women's football division of Sta. Susana F.C. In eight years with the club, she won three Copas de las Mujeres Margovianas and three Primera Division Femenina titles.