A billionaire is a person who has a net worth of at least one billion units of a currency.

A centibillionaire is a person who has a net worth of at least one hundred billion units of a currency.

Billionaire(s) may also refer to:

Billionaire (album), an album by Kathleen Edwards Billionaire (card game) or Pit, a commodity-trading card game "Billionaire" (song), a song by Travie McCoy ft. Bruno Mars "Billionaire", a song by Babymonster from Drip "Billionaire", a song by Peaches from I Feel Cream Billionaire (Los Angeles, California), a private residence in Bel Air designed by Bruce Makowsky

See also Billion (disambiguation) Millionaire (disambiguation) Trillionaire (disambiguation)