Wallpaper is material used to cover and decorate interior walls. Wallpaper may also refer to: Wallpaper (musician), also known as Ricky Reed Wallpaper, a 2018 Canadian children's book by Thao Lam Wallpaper (computing), a background picture on computer screens Wallpaper (magazine) (since 1996), a cultural magazine Wallpaper group, a two-dimensional repeated pattern analysis Operation Wallpaper, a 1985 South African Defense Force military operation See also Stealth wallpaper, signal-shielding wallpaper to prevent electronic eavesdropping Wallpaper effect, a stereoscopic illusion in which wallpaper acts as an autostereogram