A57 could refer to:

  • Benko Gambit, Encyclopaedia of Chess Openings code
  • ARM Cortex A57, a computer microprocessor architecture
  • Bartini A-57, a 1957 supersonic strategic bomber project
  • Chrysler A57 multibank, a Second World War tank engine
  • Samsung Galaxy A57 5G, a mid-range Android-based smartphone
  • Sony Alpha 57, a DSLT camera

Roads

  • A57 road, a road connecting Liverpool and Lincoln in England
  • A57 autoroute, a road connecting the Tunnel de Toulon to the A8 near Le Luc in France
  • A57 motorway, a road connecting Goch and Köln in Germany
  • A57 motorway, a road connecting Dolo and Quarto d'Altino in Italy
  • A57 highway, a road connecting the autopista AP-9 and autovía A-52 and the airport of Vigo in Spain