Cloud creature could refer to:

• The dikironium cloud creature, a strange creature on Argus X
• Calamarain, the lifeform from TNG: "Deja Q"
• Class J nebula lifeform, the lifeform discovered by USS Voyager in the Delta Quadrant
• Companion, the creature that lived with Zefram Cochrane in the Gamma Canaris region
• The cosmic cloud, the creature from TAS: "One of Our Planets Is Missing"
• Nucleogenic cloud being, the nebula-sized lifeform in the Delta Quadrant

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