The Rengat massacre (, ) was committed by the Royal Netherlands East Indies Army on 5 January 1949 in Rengat, Riau during Operation "Kraai". Following the capture of the town, paratroopers of the "Korps Speciale Troepen" under lieutenant Rudy de Mey subjected confirmed and suspected TNI militants, civil servants, and ordinary townspeople to looting, rape, and summary execution. Bodies were disposed of in the Indragiri River.