The meaning of the Acronym IUCN is...

IUCN is

• International Union for Conservation of Nature and Natural Resources

More Meanings For IUCN:

• International Union for Conservation of Nature and Natural Resources
• International Union for Conservation of Nature and Natural Resources
• Uniunea Internationala Pentru Conservarea Naturii

IUCN is also in:

• Non-Profit Organizations
• Ocean Science
• Romanian