Irina Voronina (born December 19, 1977 in Dzerzhinsk, Russia) is a Russian model. She was chosen as Playboy's Playmate of the Month in January, 2001 and has appeared in numerous Playboy videos. She has also modelled for Playboy rival, Perfect 10.

She appeared in the 2005 Playmates at Play at the Playboy Mansion swimsuit calendar as calendar girl of May. The calendar was the inaugural Playmates at Play calendar and it was shot on the grounds of Playboy Mansion in 2004. It was Playboy's first attempt at creating a non-nude swimsuit calendar featuring Playmates similar in style with those from Sports Illustrated Swimsuit Issue.