Here's Johnny

Here's Johnny may refer to:


 * "Here's Johnny" (song), a 1993 song by Dutch dance music duo Hocus Pocus
 * "Here's Johnny", the catchphrase used by Ed McMahon for almost 30 years on The Tonight Show Starring Johnny Carson (1962–1992)
 * "Here's Johnny", catchphrase that was reused by Jack Nicholson in the 1980 film The Shining
 * "Here's Johnny", a song referencing the McMahon catchphrase by "Weird Al" Yankovic on his 1986 Polka Party! album
 * Here's Johnny, a 2000 documentary film about John Hicklenton