Green blood may refer to:

  • Green Blood (manga), a Japanese manga series by Masasumi Kakizaki
  • Hemocyanin, a copper-based system of transporting oxygen in blood found in many molluscs and arthropods
  • Sulfhemoglobinemia, a rare condition in humans caused by excess sulfhemoglobin in the blood
  • Prasinohaema (Greek: "green blood"), a genus of skinks whose blood color is caused by an excess of the bile pigment biliverdin

See also edit