Spirulina

Spirulina may refer to:

• Spirulina (dietary supplement), a health-food supplement
• Arthrospira, a spirulina genus of cyanobacteria
• Spirulina (genus), a cyanobacterium group
• Ochthephila spirulina, species of gastropod in the Hygromiidae family
• Spirulina (suborder), a group of cephalopods
  • Spirula, the only extant member of that suborder