Yelena Gadzhievna Isinbaeva (Russian: Елена Гаджиевна Исинбаева, ISO 9: Elena Gadžievna Isinbaeva) (born 3 June 1982) is a Russian pole vaulter. She is a two-time Olympic Gold Medalist (2004 and 2008), was named Female Athlete of the Year by the IAAF in 2004, 2005 and 2008, and World Sportswoman of the Year by Laureus in 2007 and 2009.

On 22 July 2005 she became the first woman to clear the historic 5.00 metre barrier in the pole vault. At the age of 26 Isinbayeva has been a nine-time major champion (Olympic, World outdoor and indoor champion and European outdoor and indoor champion). Isinbaeva's current world records are 5.05 m outdoors, a record Isinbayeva set at the Summer Olympics Games in Beijing on 18 August 2008, and 5.00 m indoors, a record set at the Donetsk indoor meeting on 15 February 2009. The latter was Isinbayeva's twenty-sixth world record.