Maximillion may refer to:
People Maximillion Cooper, founder of the Gumball 3000 business Max Thieriot (Maximillion Drake Thieriot, born 1988), American actor and director
Fictional characters Maximillion Pegasus, in the Yu-Gi-Oh! anime and manga series Maximillion Galactica, in video game Phoenix Wright: Ace Attorney − Justice for All
See also Maximilian, a name Max-A-Million, music group