The Song of the Albigensian Crusade refers to a medieval poem that chronicles the events of the Albigensian Crusade, a religious conflict that occurred in Southern France during the 12th and 13th centuries. Synonyms for this poem include "The Albigensian Crusade Ballad," "The Epic of the Cathars," "The Toulouse War Song," and "The Occitanian Conflict Ode." These alternative names reflect the differing perspectives and interpretations of the Albigensian Crusade, which has been regarded variously as a holy war, a political power struggle, and a cultural clash between the ruling French monarchy and the Cathar heresy. The Song of the Albigensian Crusade remains a valuable historical and literary source, shedding light on a tumultuous period of European history.