Display Screen or Portion Thereof with Icon

FIG. 1 is a front view of a display screen or portion thereof with icon showing the claimed design; and,

FIG. 2 is a front view of a mobile terminal having a display screen with the icon of FIG. 1 applied thereto.

The outer broken lines in the figures show a display screen or portion thereof, or a mobile terminal having a display screen, and form no part of the claimed design. The other broken lines in FIG. 2 showing portions of a graphical user interface are included for the purpose of illustrating portions of the article, and form no part of the claimed design.