Ekaterina Alexandrovna Voronina is an Uzbekistani track and field athlete who competes in the heptathlon. Her personal best for the event is 5912 points. She was the gold medallist in the event at the 2014 Asian Games. She is part of the Central Army Sports Club and is coached by Pavel Andreev, a compatriot and fellow multi-eventer.

A heptathlon is a track and field combined events contest made up of seven events. The name derives from the Greek επτά and ἄθλος. A competitor in a heptathlon is referred to as a heptathlete.