Irina Nikolayevna Kalentieva () ( Yagupova, ; born 10 November 1977 in Batyrevsky District, Chuvashia) is a retired professional cross-country mountain bike racer from Russia. She won the UCI Mountain Bike & Trials World Championships in 2007 and 2009.
She also won a bronze medal at the 2008 Summer Olympics in Beijing and finished fourth at the 2012 Summer Olympics in London and 13th at the 2004 Summer Olympics.