Kyra Gracie Guimarães (born May 29, 1985) is a member of the Gracie family and a former world-champion Brazilian jiu-jitsu (BJJ) practitioner.
She is one of only two Gracie women to achieve a black belt in BJJ and is the first Gracie female to actively compete in the sport. For several years she lived full-time in the United States, where she is associated with the Renzo Gracie Academy in New York and the Gracie Barra Academy in Lake Forest, California. In 2009, she moved back to her native Brazil, however, she still maintains her U.S. green card and must spend at least 6 months of the year living in the United States.
Gracie won the women's under 60 kg title at the ADCC submission championships in 2005, 2007, and 2011. She finished first at the IBJJF world championships in 2006, twice in 2008 (lightweight and absolute divisions), and 2010 She also finished second in 2004, 2005, twice in 2009 (light and open divisions), and 2011.