Dirk Langendijk (Rotterdam, 8 March 1748 – Rotterdam, 15 December 1805), written as Langendyk in his day, was a Dutch draughtsman, painter and etcher. He produced mainly depictions of land and sea battles and other military scenes from the Dutch Patriottentijd (circa 1780–1800) and the French Revolutionary and Napoleonic Wars (from 1792).

Born on the Bierhaven quay in the port of Rotterdam, he was the son of Hendrik Langendijk, who had come to Rotterdam from the village of Wijhe in Overijssel, and had been appointed as garbuleur by the Rotterdam chamber of the Dutch East India Company in 1772. A garbuleur was someone who removed dirt and dust from a cargo of spices, and also sorted spices by quality. Dirk's mother was Hendrik's secon...