· Will-o'-the-wisp is a term for a floating ball of light in folklore. The term and variants on it have been used for other purposes. · Wireless Internet Service Provider (WISP) is an Internet Service Provider (ISP) with wireless (e.g., Wi-Fi, WiMAX) "last mile" connections (as compared to dial-up, DSL, cable modem, etc.). · Wisp was the birth name of a fictional young orphan girl who would later become known as Rainbow Brite. · Night wisp, a fictional creature in the Sword of Truth series by Terry Goodkind. · Wisp is an IDM artist signed to Sublight Records. · Wisp is a ski resort located in Garrett County, Maryland. · One of the elemental spirits in the Seiken Densetsu series. · The form a Night Elf takes when dead, in the MMORPG, World of Warcraft