Display Screen or Portion Thereof with Icon

The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

The sole FIGURE is a front view of a display screen or portion thereof with icon showing our new design.

The outer perimeter, illustrated in the FIGURE by a pair of broken lines, illustrates a display screen or portion thereof and forms no part of the claimed design. The dot-dash broken lines in the drawings show boundaries that form no part of the claimed design. The remaining broken lines within the dot-dash boundary lines showing the graphical user interface form no part of the claimed design.