Ekaterina Vaganova (born January 9, 1988) is a Russian dancer. She is the World champion on the Ballroom and Latin American dances. She was two-time Champion of Russia, four-time Champion of Italy, two-time vice-champion of the World in Youth Latin, IDSF, finalist of the World and European championships in IDSF, champion of the World 2009 in IDSA and IDU versions and champion of the Europe WDC Latin 2009.
Vaganova began dancing when she was two and a half years old, in the dance school in the town of Vilyuchinsk, Kamchatka, Russia. At the age of six, she started ballroom dancing. When she was 11 years old, her family moved to Moscow.
Two years later, when dancing with Alexander Ermachenkov, Vaganova became a World Champion in juniors in the program of ten dances. Ekaterina and Alexander were awarded the Exercise Prize in 2001 for their contribution of the development of dance sports in Russia.