Dishwasher door handle

FIG. 1 is a perspective view of a dishwasher door handle as according to our new ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is another perspective view thereof.

The broken lines of the dishwasher, dishwasher compartment and/or components thereof show surrounding structure or environment and do not form part of the claimed design.

The bottom, front and rear parts of the dishwasher door, and the bottom, front, rear and top of the dishwasher compartment are unornamented and form no part of the claimed design.