Margrave (Polish: margrabia) Aleksander Ignacy Jan-Kanty Wielopolski (born 1803 in Sedziejowice, Kraków Department, Duchy of Warsaw, died 1877 in Dresden, Kingdom of Saxony, German Empire) was a Polish aristocrat, owner of large estates, and the 13th lord of the manor of Pinczów.
In 1862 he was appointed head of Poland's Civil Administration within the Russian Empire under Tsar Alexander II.