One

One or 1 is the first natural number.

1, one, or ONE may also refer to:

Creators

 * ONE, the manga author of One Punch Man and Mob Psycho 100

Comic Books

 * One (manhwa), a manhwa by Lee Vin.

Literature

 * One (Crossan novel), a Carnegie Medal-winning novel

Video Games

 * One (video game), a video game released in 1997 for the Sony PlayStation.

Other Tropeworthy Uses

 * PS One, a smaller version of the original Sony PlayStation games console.
 * Xbox One, an eighth-generation games console by Microsoft.