Bianca Williams (born 18 December 1993) is a British athlete. She competed for England at the 2014 Commonwealth Games, where she won bronze medals in the 200 m, and in the 4 × 100 m relay. She has also won two medals as part of the British team at the IAAF World Relays; with silver in the 4 × 200 m in 2014, and bronze in the 4 × 100 m in 2015. She ranks fifth on the UK all-time list at 200m with her best of 22.58 secs.