Princely Count Charles of Arenberg, duke of Aarschot (jure uxoris), baron of Zevenbergen, knight of the Order of the Golden Fleece, (Vollenhove, 22 February 1550 – Enghien, 18 January 1616) was the second Princely Count of Arenberg and a leading aristocrat of the Habsburg Netherlands, who served as a courtier, soldier, minister and diplomat.