Valentina Grigoryevna Vorontsova (Валентина Григорьевна Воронцова, born 26 July 1982) is a Russian female water polo player.

She was a member of the Russia women's national water polo team, playing as goalkeeper.

She was a part of the team at the 2004 Summer Olympics and 2008 Summer Olympics.

[1] On club level she played for Kinef Kirishi in Russia.

This biographical article relating to a Russian water polo figure is a stub.