Joachim Chreptowicz pseud.: Jeden z współziomków (1729–1812), of Odrowąż Coat of Arms, was a Polish nobleman, writer, poet, politician, Grand Secretary 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.