Display Screen or Portion Thereof with Icon

FIG. 1 is a front view of a display screen or portion thereof with icon showing a first image of the claimed design.

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof; and,

FIG. 5 is a front view of a fifth image thereof.

The appearance of the animated image sequentially transitions between the images shown in FIGS. 1 to 5 . FIG. 1 and FIG. 5 are front views of icons for a display screen or portion thereof. The process or period in which one image transitions to another image forms no part of the claimed design.

The outermost broken lines in the figures show a display screen or portion thereof, and form no part of the claimed design. The other broken lines in the figures show portions of the icon that form no part of the claimed design.