Sergejs Dolgopolovs (Russian: Сергей Долгополов) (born 1941) is a Latvian politician. He is a member of the Harmony Centre party, former vice mayor of Riga (2001—2005) and a deputy of the 9th, 10th and 11th Saeima (Latvian Parliament). He began his current term in parliament on October 17, 2011.