Anastasiya Nikolayevna Yermakova (, born 8 April 1983 in Moscow) is a Russian competitor in synchronised swimming and four-time Olympic champion. She won gold medals in the duet competition with Anastasia Davydova at the 2004 Summer Olympics in Athens and 2008 Summer Olympics in Beijing, and was part of the Russian gold medal team in 2004 and 2008. She trained with the Italian synchronized swimming team "Rarinantes Savona", and collaborated with the Italian national synchronized swimming team. She participated in the Italian program "Vite in Apnea", which was a reality show showing the training of the Italian national team of synchronized swimming, before the swimming world cup Barcelona 2013.