Rudolf IV of Baden-Pforzheim

Rudolf IV of Baden-Pforzheim (died 1348) was a younger son of Margrave Hermann VII of Baden. Destined for the church, he served as a canon at Speyer until his father's death in 1291, when the margraviate was divided and he received Baden-Pforzheim, ruling first with his brother Hermann VIII and alone after 1300.

He later left Duke Leopold I of Austria for Emperor Louis IV, and in 1335 inherited Baden-Baden from his cousin Rudolf Hesso. His sons Frederick III and Rudolf V divided his lands.