Abdul Hakim Sani Brown (サニブラウン・アブデル・ハキーム, Saniburaun Abuderu Hakīmu, born 6 March 1999) is a Japanese athlete specialising in sprinting events.

[3] In Japan, Sani Brown ran for Josai High School, a private high school operated by the same corporation that operates Josai University[4] in the Toshima ward of Tokyo.

[5] and qualified for the 2020 Tokyo Olympic Summer Games running 100 in 9.99 seconds on 12 May 2019.

At the 2015 World Youth Championships in Athletics Sani Brown equalled his personal best of 10.30 in the 100m heats to set a new championship record before running 10.28 into a −0.3 headwind to improve that mark in the final.

At the 2015 World Championships Sani Brown qualified for the semi-final round against athletes who were at least three years his senior.