The invention relates to a wiper blade adapter, in particular for a motor vehicle wiper device, comprising a coupling unit (10) which comprises at least one first coupling element (12) and a second coupling element (14) which are provided for coupling at least two different types of wiper arm adapters (100, 110, 120, 130), and housing means (62) which are provided for delimiting at least one part of one of the coupling elements (12). According to the invention, said housing means (62) and the coupling element (12) are embodied such that they form one piece.