Look up blue lotus in Wiktionary, the free dictionary.
Blue lotus may refer to:
- Nymphaea caerulea, a water lily in the genus Nymphaea that was known to the Ancient Egyptian civilizations
- Nymphaea nouchali, a water lily of genus Nymphaea that is native to southern and eastern parts of Asia, containing the sedating alkaloids apomorphine and nuciferine
- The Blue Lotus, a 1936 book in the Tintin series