Billion (disambiguation)
Billion is a name for a large number. It may refer specifically to:

 1,000,000,000 (, one thousand million), the short scale definition
 1,000,000,000,000 (, one million million), the long scale definition

Billion may also refer to:

Film and TV
 Billions (TV series), a Showtime series
 Billions (film), a 1920 silent comedy
 Mr. Billion, a 1977 film by Jonathan Kaplan

Music
 "Billions" a 2023 song by Caroline Polachek, from the album Desire, I Want to Turn Into You
 "Billions", a 2017 song by Russell Dickerson, from the album Yours
 "Billion", a 1996 song by Cardiacs, from the album Sing to God

Other
 Billion (company), a Taiwanese modem manufacturer
 Jack Billion (1939–2023), American politician

See also
 Long and short scales
 Names of large numbers
 Billion laughs, an XML parser vulnerability
 Golden billion, a Russian term for the wealthy people of the developed world
 Billon (disambiguation)
 BN (disambiguation)