A breadboard is a construction base used in electric/electronic circuit prototyping.

Breadboard may also refer to:

• Breadboard or cutting board, a food preparation utensil (of which the first electronic breadboards were made)
  • A pull-out cutting board underneath a counter (furniture)
• Optical breadboard, used in optics labs
• Mechanical breadboard, sometimes used in developing mechanical systems
• Brassboard, a stage in engineering prototype development