Nils Ušakovs (Russian: Нил Валерьевич Ушаков, Nil Valeryevich Ushakov) (born 8 June 1976) is a Latvian Russian politician, former mayor of Riga and former journalist. He has been the board chairman of the left-wing party alliance Harmony Centre (2005–2014) and afterwards board chairman of the Social Democratic Party "Harmony" (2014–2019). In 2009 Ušakovs was elected the Mayor of Riga, becoming the first Riga Mayor of Russian descent since Latvia's restoration of sovereignty in 1991, a position he continuously held until his dismissal in 2019.