Special K is a breakfast cereal manufactured by Kellogg Company.
Special K may also refer to:
People Stagenamed Special K (rapper), a rapper and original member of the Treacherous Three
Nicknamed Kell Brook, boxer Kevin Daley (basketball), basketball player Karmichael Hunt, rugby league footballer Greg Kelser, American basketball player and color commentator Alan Kulwicki, American race car driver Thanasi Kokkinakis, tennis player Keir Starmer, British prime minister (see List of nicknames of prime ministers of the United Kingdom#Keir Starmer)
Art, entertainment, and media "Special K" (song), a song by the rock band Placebo Special K: The Wisdom of Terry Kay, a 2000 book by Terry Kay Special K, an application for improving the performance of computer games
Other uses Special K, a nickname for the drug ketamine Special Kay, the last airworthy Douglas B-26K Invader owned and being restored by the Pacific Prowler organization in Fort Worth, Texas
See also