Hosta

Will-o'-the-wisp is the light phenomenon traditionally ascribed to ghosts.

Will-o'-the-wisp may also refer to:

Arts and entertainment

Will o' the Wisp (comics), a Marvel comic book supervillain physicist
Will-o'-wisp (Dungeons & Dragons), a malevolent entity in Dungeons & Dragons
Will o' the wisps, fictional characters in the 2012 animated film Brave

"Song Of The Will-o'-the-Wisp" (Canción del fuego fatuo), from El amor brujo, a ballet composed in 1914–15 by Manuel de Falla to a libretto by Gregorio Martínez Sierra
- Recorded by Miles Davis on the 1960 album Sketches of Spain
Transcendental Etude No. 5 (Liszt), also known as Wills o' the Wisp
Will O' the Wisp (album), a 1975 album by Leon Russell, and its title track
Will-O-The-Wisp (Claw Boys Claw album), a 1997 album by Claw Boys Claw
Will o' the Wisp, a song from Opeth's 2016 album Sorceress
"Will O' The Wisp", from by Blackmore's Night from the 2015 album All Our Yesterdays
"Will-o-the-wisp", from the Pet Shop Boys' 2020 album Hotspot

Peggy, the Will O' the Wisp, a 1917 film
Will O' the Wisp (novel), a 1931 novel by Pierre Drieu La Rochelle
"Will o' the Wisp", a 1999 episode of children's television show So Weird
Willo the Wisp, a British cartoon series originally produced in 1981
Ori and the Will of the Wisps, a 2020 video game and sequel to Ori and the Blind Forest
The Will-O'-The-Wisp, a 1947 novel by Baroness Orczy

Willie Fleming (born 1939), professional Canadian football player nicknamed "Will o' the Wisp"
Jeff Hardy (born 1977), American professional wrestler who had the ring name "Willow the Whisp"
Willie Pep (1922–2006), American boxer nicknamed "Will o' the Wisps"