Hillary Williams (born October 14, 1988) is an American submission grappler and Brazilian jiu-jitsu practitioner.

Williams began her Brazilian jiu-jitsu career in 2006.

After four years of training, she became a World Champion.

[1] Williams received her black belt from Rolando Delgado and Matt Hamilton on June 12, 2010.

[2] She only spent seven months and 14 days as a brown belt.