Hendrik Merkus, Baron de Kock (May 25, 1779 – April 12, 1845) was a Dutch military general, minister and senator. Hendrik Merkus de Kock was born in Heusden, in the Republic of the United Netherlands on May 25, 1779. In 1801 he joined the Batavian navy, and by 1807 was posted to the Dutch East Indies. In 1821 he commanded a military expedition to Palembang to suppress a local uprising. Later, as lieutenant governor-general (1826–1830), De Kock led the fight against Prince Diponegoro in the Java War.