Lana Stefanac is an American mixed martial artist, grappler and black belt Brazilian jiu-jitsu practitioner and instructor.

[7] Stefanac started training in Muay Thai then after meeting 3rd degree black belt Donald Park, a student of Royler Gracie, she started Brazilian jiu-jitsu (BJJ) in 2003.

[7] In 2006, after receiving her blue belt, she won the Pan Jiu-Jitsu Championship in her division, that same year Stefanac started competing MMA winning 3 matches that year, all won by submission.

[5] Stefanac was promoted to black belt in 2009 by Randy Bloom straight after winning double gold at the 2009 Brazilian jiu-jitsu world championship after defeating Kyra Gracie in her division and Gabi Garcia (16-0) in the Open class.

[5] In 2011 she won Bronze at the world championship in both her weight and in Open class, that same year she announced giving up competing to pursue her career in law enforcement.