Duke Louis II of Bavaria (13 April 1229 – 2 February 1294) is Duke of Bavaria and Count Palatine of the Rhine from 1253.

Born in Heidelberg, he is a son of Duke Otto II and Agnes of the Palatinate.

She is a daughter of the Welf Henry V, Count Palatine of the Rhine; her grandfathers are Henry XII the Lion and Conrad of Hohenstaufen.