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

• 1,000,000,000 (10⁹, one thousand million), the short scale definition
• 1,000,000,000,000 (10¹², one million million), the long scale definition

Look up Billion, billion, or bilion in Wiktionary, the free dictionary.

Billion may also refer to:

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

• "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

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

• 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
• Billionaire (disambiguation)
• Billon (disambiguation)
• BN (disambiguation)

This disambiguation page lists articles associated with the title Billion.
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