Various embodiments described herein notifying users regarding photos in which they may appear and suggest photo tags accordingly. Subject to user preferences and privacy settings, facial recognition with respect to a specific user of a social networking system may be performed on one or more photos added by, or otherwise associated with, other entities of the social networking system. For those photos in which the specific user is facially recognized, a suggested photo tag for the specific user may be associated with the recognized photos and the specific user may be alerted accordingly. Depending on the embodiment, the specific user may be provided with an option to confirm the suggested photo tag, decline the suggested photo tag, or do nothing. In the event the specific user declines the suggested photo tag with respect to a particular photo, other users may be prevented from tagging the specific user with respect to the particular photo.