A visor is a surface that protects the eyes. Visor may also refer to: Visor (armor) VISOR, a fictional device in Star Trek media. ViSOR (Violent and Sex Offender Register), a UK database Bow visor, a feature of some ships, particularly ferries Visor, a PDA series made by Handspring The Visor, a rock ledge on the top of Half Dome in Yosemite National Park See also Advisor Vizor, Irish software company