Sergei Anatolyevich Karev (Russian: Сергей Анатольевич Карев, born 31 March 1986) is a Russian retired pair skater.

Early in his pairs career, Karev competed with Daria Kaziutchitz.

[2] In 2005, Karev teamed up with Arina Ushakova, with whom he trained in Moscow.

[3] Originally coached by Nina Mozer, the pair switched to Natalia Pavlova ahead of the 2007–08 season.

[3] Ushakova/Karev won the bronze medal at the 2008 Russian Nationals and were sent to the 2008 European Championships where they finished 5th.