Irena Ivanova, better known by the pen name Rene Karabash (), is a Bulgarian writer and actress. Her work has been nominated for and received several Bulgarian literary awards. In 2026, her novel, She Who Remains, was shortlisted for the International Booker Prize.
Irena Hristova Ivanova was born in 1989 in the village of Aleksandrovo, in the Lovech Municipality. She attended school in Lovech, and received her bachelor's degree in French and English applied linguistics at the Veliko Tarnovo University. She studied literature at the Catholic University of the West in Angers, and received her master's degree in film direction from the New Bulgarian University. Her pen name combines her mother's maiden name and "Renée", a nickname she acquired in France.
She performed the role of Gana in the film Godless, which was presented at the Locarno Film Festival. For her performance, she won Best Actress. She also won the award for Best Actress at the Stockholm Film Festival, the Heart of Sarajevo, and the Golden Rose.
In 2021, Karabash published a short collection of epistolary fiction, Omar's Letters to his Future Wife, containing letters sent by the titular Omar to his future wife. She has also published poetry. She is the founder of The Rabbit Hole, a creative writing academy in Bulgaria, which has employed writers such as Georgi Gospodinov, Georgi Bardarov, and .
In 2018, Karabash released her debut novel, She Who Remains (), about a sworn virgin in Albania. Regarding the work, Karabash said that she wanted to write about the violence of patriarchal society. She spent two years researching the book. Her main sources were books, including Broken April by Ismail Kadare, and interviews with sworn virgins. She said that although she did not travel to Albania, her realistic portrayal persuaded Albanian specialists at Sofia University that she had visited the country.
As of 2026, the novel has been translated into 15 languages. The English translation by Izidora Angel was published by Peirene Press in 2026 and was shortlisted for the 2026 International Booker Prize. Angel won the 2023 Gulf Coast Translation Prize for her work on She Who Remains. She described the novel as both "structurally innovative" and "thematically astonishing", remarking that Bulgarian literature rarely deals with queer themes. During the novel's presentation at the , one moderator referred to it as "the first serious queer novel in Bulgaria".