"Trillionaire" is a song by American rapper Bun B. Hip-Hop artist T-Pain is featured on the track.

The song served as the second single from his second album Trill O.G..

The song peaked at number 77 on the Hot R&B/Hip-Hop charts.

A chopped and screwed version of the track appears on the chopped and screwed version of the Trill O.G.

Another remix which became popular, but is not official, features the vocals of the song placed on the instrumental version of Bun B's song "Countin' Money".