Elena Vladimirovna Arzhakova (Russian: Елена Владимировна Аржакова; born 8 September 1989) is a Russian runner who specializes in the middle distance events.

The 2011 European Indoor champion at 1500m, Arzhakova was suspended from athletics in 2013 following a failed doping control, after an abnormality was found in her biological passport.

Her results from July 2011 were expunged, as a result of which she was stripped of her further European outdoor and European under-23 titles.

Her suspension ended on 29 January 2015.

This biographical article relating to Russian athletics is a stub.