The Battle of Lens was a French victory under Louis II de Bourbon, Prince de Condé against the Spanish army under Archduke Leopold Wilhelm in the Thirty Years' War (1618–1648). It was the last major battle of the war and a French victory. The battle cemented the reputation of Condé as one of the greatest generals of his age.

Louis II de Bourbon, Prince of Condé, known as le Grand Condé, was a French military commander. A brilliant tactician and strategist, he is regarded as one of France's greatest generals, particularly celebrated for his triumphs in the Thirty Years' War and his campaigns during the Franco-Dutch War.