Grand theft auto may refer to:

• Motor vehicle theft, a crime in virtually all jurisdictions of the world
• Grand Theft Auto, a video game series developed by Rockstar Games
  • Grand Theft Auto (video game), the 1997 first video game in the series
  • Grand Theft Auto Advance, also known simply as Grand Theft Auto, 2004
• Grand Theft Auto clone, a subgenre of open world action-adventure video games
• Grand Theft Auto (film), a 1977 film directed by Ron Howard