Ekaterina Bolshova (Russian: Екатерина Серге́евна Большова; born 4 February 1988, in Saint Petersburg) is a Russian heptathlete.

Her personal best in the indoor pentathlon is 4896 points, achieved in February 2012 while winning the Russian title.

[1] In heptathlon her personal best result is 5738, achieved in May 2005 in Daegu.

[1] She won the Russian indoor title a second time in February 2013 and recorded a total of points, including personal bests of 6.57 m in the long jump and 2:10.52 minutes in the 800 metres.

This biographical article relating to Russian athletics is a stub.