There is provided a wiper blade and wiper arm connecting structure in which a wiper blade is connected to a wiper arm by fitting a connecting portion of the wiper blade into a coupling portion of the wiper arm, which improves the aesthetic appearance of a portion where the wiper blade is connected to the wiper arm. In a wiper blade and wiper arm connecting structure, a wiper blade 1 is connected to a wiper arm 2 by fitting a clip 13 of the wiper blade 1 into a coupling portion 21 of the wiper arm 2. The coupling portion 21 includes an opening 24 through which the clip 13 is introduced into the coupling portion 21. A locking portion 26 engaging with a locking recess portion 44 on a locking piece 40 of the clip 13 is provided at a distal end 22A (an edge portion of the opening 24) of a top wall 22 of the coupling portion 21.