The Battle of Los Yébenes was the clash of the Regiment of Polish Lancers of the Legion of the Vistula with multiple regiments of Spanish cavalry, near the Spanish village of Los Yébenes. The heavily outnumbered Polish regiment, led by Colonel Jan Konopka, was attacked by surprise and almost defeated by the larger Spanish force.

The Legion of the Vistula was a unit of Poles in the service of Napoleonic France, one of the larger Polish legions of the Napoleonic period.