Green box

Green box may refer to:


 * Green box (container), a large metal container, designed and utilised for free public disposal and recycling of electronic waste.
 * Green box (phreaking), a device used to manipulate the coin collection mechanism of payphones
 * Green box (WTO agreement), a class of subsidies regulated by the international Agreement on Agriculture
 * The Green Box, Marcel Duchamp's published notes on his work The Bride Stripped Bare By Her Bachelors, Even
 * A Flash flood watch