Briana Nichole Williams (born 21 March 2002) is a Jamaican-American female athlete competing for Jamaica in the 100 metres and 200 metres sprints. She became the youngest athlete to win the women's 100 metres and 200 metres double at the 2018 World Under-20 Championships in Tampere at age 16.
She holds the girls' 100 metres age-15 world record with a time of 11.13 seconds, set in March 2018. She is both the Jamaican under-18 and under-20 record holder in both the women's 100 metres and 200 metres, with personal bests of 10.97 seconds and 22.50 seconds respectively.