One

One can refer to several things:

• a band,
• a British Train Operating Company and
• a line of pet food products called ONE.
• the Beatles Album, also known as The Beatles 1
• ONE, Inc., an early gay rights organisation in the USA.
• Adidas 1 , an advanced sports running shoe.
• -one , a suffix for IUPAC chemical names.
• One (video game)
• Channel One News, a school television program
• The non-existent television channel Channel 1

One is also the title of various songs by:

• U2,
• Metallica, (see One (Metallica song))
• Marvin Hamlisch, in the musical A Chorus Line,
• Alanis Morissette,
• Harry Nilsson,
• The Bee Gees and
• Three Dog Night.