Quanta may also refer to:

  • QUANTA (competition), an international science competition
  • Quanta Computer, a Taiwan-based manufacturer of electronic and computer equipment
  • Quanta Cura, a Papal encyclical issued by Pope Pius IX on 8 December 1864
  • Quanta Display Inc., a Taiwanese company manufacturing TFT-LCD panels
  • Quanta Plus, a web development tool
  • Quanta Services, a US-based specialty contractor for the electric, gas, and telecommunications industries
  • Quanta Technology, a utility infrastructure consulting company
  • A line of bowling balls by Brunswick Corporation
  • Qantas, an Australian airline