Henri "Hendrik" Conscience (3 December 1812, Antwerp – 10 September 1883, Ixelles) was a Belgian writer. He was a pioneer in writing in Dutch language after the Belgian Revolution at a time when Belgium was largely dominated by French. Conscience fought as a Belgian revolutionary and is best known for the romantic nationalist book, De Leeuw van Vlaanderen (1838), inspired by the Medieval Franco-Flemish War.
Hendrik was the son of a Frenchman, Pierre Conscience, from Besançon, who had been chef de timonerie in the navy of Napoleon Bonaparte, and who was appointed under-harbourmaster at Antwerp in 1811, when that city formed part of France. Hendrik's mother was a Fleming, Cornelia Balieu. When, in 1815