Joachim Chreptowicz pseud.: Jeden z wspólziomków (4 January 1729, Jasieniec near Navahradak – 4 March 1812), of Odrowaz Coat of Arms, was a Polish-Lithuanian nobleman, writer, poet, politician of the Grand Duchy of Lithuania, marshal of the Lithuanian Tribunal and the last Grand Chancellor of Lithuania.
He was a member of the Permanent Council, activist of the Commission of National Education, physiocrat and a vivid supporter of the Targowica Confederation.