The Diocese of Grodno (Latin: Grodnen(sis) Latinorum, Belarusian: Гродзенская дыяцэзія, romanized: Hrodzienskaja dyjacezija, Polish: Diecezja grodzieńska) is a Latin Church diocese of the Catholic Church located in the city of Grodno in the ecclesiastical province of Minsk-Mohilev in Belarus.