Other
- Blue Blood (1973 film), a British horror film directed by Andrew Sinclair
- Blue Blood (2006 film), a 2006 documentary film directed by Stevan Riley
- Blue Blood Denim, a Dutch brand of luxury jeans
- Blue Bloods (TV series), a 2010 drama series on CBS
- Hemolymph, circulatory fluid colored blue by hemocyanin, a respiratory protein evident in most molluscs and some arthropods
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