The Holy Grail is a mystical object in the Arthurian legend.

Holy Grail is commonly used in a phrase to analogously denote something with high perceived value:

A rare, valuable object, source, event or difficult-to-reach goal in a given field: Twin Sisters, the "Texas Holy Grail" A rare acetate by the Beatles, with the songs "Hello Little Girl" and "Till There Was You" A major, important unsolved problem in a given field; see Lists of unsolved problems (For example, the Riemann hypothesis might be called "a holy grail" of mathematics, as could a theory of everything for physics, or P vs. NP for computational complexity theory)

Holy Grail may also refer to:

Arts and entertainment Music Holy Grail (band), a heavy metal band from Pasadena, California Holy Grail (album), a 2011 album by Versailles "Holy Grail" (Hunters & Collectors song), 1992 "Holy Grail" (Jay-Z song), 2013, featuring Justin Timberlake

Other Holy Grail tapestries, six tapestries woven by Morris & Co. in the 1890s Holy Grail (Centuria), fictional member of the Iris Stratum in the Japanese web manga Centuria Monty Python and the Holy Grail, a 1975 comedy film

Sport Stanley Cup, sometimes referred to as the "Holy Grail" AFL Premiership, sometimes referred to as the "Holy Grail"

Other Holy Grail Temple, a mountain in the Grand Canyon Holy Grail (web design), a CSS programming trick for dividing a web page into three columns

See also Grail (disambiguation) Grail Quest (disambiguation) "The Unholy Grail", a 1962 sword and sorcery novella by Fritz Leiber