Something in the Water may refer to:

• Something in the Water (film)
• "Something in the Water" (Brooke Fraser song)
• "Something in the Water" (Carrie Underwood song)
• Somethin' in the Water, a 2001 album by Jeffrey Steele
  • "Somethin' in the Water", the album's title track, later recorded by Little Feat on their album Join the Band
• "Something in the Water", a song by Terri Clark from her album Just the Same

• William Azure Ayamdo
• William Bach, Baron Bach
• William Backhouse Astor, Jr.
• William Backhouse Astor, Sr.
• William Badaoui
• William Badger (died 1629)
• William Baer (disambiguation)
• William Bagonza
• William Bagot (disambiguation)
• William Bailey (Australian cricketer)
• William Bailey (Australian politician)
• William Bailey (cricketer)
• William Bailey (cricketer, born 1898)
• William Bailey (Royal Navy officer)
• William Bailey (trade unionist)
• William Bailhache
• William Baille
• William Bainbridge Reynolds
• William Baker (cricketer, born 1823)
• William Baker (headmaster)
• William Baker Rock
• William Balch
• William Balcombe
• William Baldygo
• William Balikwisha