Zero or Zéro is surname, given name or pseudonym of:
People:
Zero Hubbard (born 1971), American television and film actor
Zero Mostel, stage name of American actor Samuel Joel Mostel (1915–1977)
Zero Kazama (born 1982), Japanese-American game show host
João Zero (cartoonist) (born 1950), Brazilian illustrator
Gonzalo Barrios (esports player) (born 1995), professional Super Smash Bros. for Wii U player known by his alias ZeRo
Karl Zéro, stage name of French filmmaker Marc Tellenne (born 1961)
Renato Zero, stage name of Italian singer/songwriter Renato Fiacchini (born 1950)
Zero, stage name of Japanese bass player of the former band D'espairsRay
Zero (wrestler) or Lady Zero, briefly a ring name of Japanese professional wrestler Chigusa Nagayo (born 1964)
Fictional characters:
Mr. Zero or Mr. Freeze, a DC comic book supervillain
Zero (Drakengard), in Drakengard 3
Zero (Kirby), in Kirby media
Zero (Mega Man), in Mega Man media
Zero (Battle Arena Toshinden), in the Battle Arena Toshinden universe
Zero (O-Parts Hunter), in the O-Parts Hunter universe
Zero (Beetle Bailey), in the Beetle Bailey universe
Zero (Code Geass) or Lelouch Lamperouge, the main character in the Code Geass universe
Zero (Marvel Comics), several characters
Zero (Digimon) or Zeromaru, in Digimon media
Zero (Dragon Ball) or Son Goku, the main character in Dragon Ball media
Zero (The Nightmare Before Christmas), a ghost dog owned by Jack Skellington, the main character in The Nightmare Before Christmas media
Zero (Grand Theft Auto), in the Grand Theft Auto universe
Zero (Holes) or Hector Zeroni, in the Holes universe
Zero (Marvel Comics), several characters in the Marvel Universe
ZERO (Sonic the Hedgehog) or E-100 Alpha, a robot in Sonic the Hedgehog media
Zero (Tenchi Muyo!), in the Tenchi Muyo! universe
Zero (The King of Fighters), in The King of Fighters media
Zero, the assassin in the 2012 2K / Gearbox game Borderlands 2
Zero Kiryu, in Vampire Knight media
Darryl Zero (Zero Effect), in the Zero Effect universe
Kenshiro "Zero" Cochrane, a Marvel comic book superhero
Zero (Cosmo Warrior Zero), in the Cosmo Warrior Zero universe
Major Zero, in the Metal Gear Solid universe
Sergeant Major Zero, in the Terrahawks universe
Captain Zero, in the TUGS universe
Zero (Pokémon), in the Pokémon universe
Zero (Change 123!), the most dangerous of all Motoko's personalities from 'Change 123!'
Zero Moustafa, in the 2014 film The Grand Budapest Hotel
Agent Zero, a Marvel Comics character
Ultraman Zero, an Ultra Warrior who is the son of Ultra Seven