Marfa Ekimova (born 17 January 2005) is a Russian-born British rhythmic gymnast.

Born in Saint Petersburg, Russia, at age two she moved to London, England.

She was initially meant to compete at the junior 2020 European Championships, but she withdrew due to the COVID pandemic.

[6] Ekimova debuted as a senior internationally at 2021 European Championships in Varna, representing Great Britain along with her teammates Alice Leaper and Gemma Frizelle.

[7] In October she was selected for the World Championship in Kitakyushu, where she was 44th in the all-around, 39th with hoop, 53rd with ball, 38th with clubs and 59th with ribbon.

[6] At the end of May, she competed at the World Cup in Portimão, finishing 30th in the all-around, 21st with hoop, 43rd with ball, 19th with clubs, and 34th with ribbon.

[9] In June she took part in the European Championships in Tel Aviv with teammates Louise Christie and Alice Leaper, the senior national groupm and juniors Melissa Toma, Elizaveta Andreeva and Nicole Kalnina.