Koro may refer to one of the following:

Geography

• Koro Island, a Fijian island
• The Koro Sea in the Pacific Ocean
• Koro, Côte d'Ivoire
• Koro, Mali
• Koro, Wisconsin, United States, an unincorporated community

Languages

• Koro language (India), an endangered language spoken in Arunachal Pradesh state, India.
• Koro language (New Guinea)
• Koro language (Vanuatu)
• Koro language (Côte d'Ivoire) [kfo]^{[citation needed]}
• Nkoroo language (Nigeria)

Medicine

• Koro (medicine), a mistaken belief that one's genitalia or other private parts are disappearing, possibly fatally

Other

• Koro (band), a hardcore punk band from Knoxville, Tennessee
• Koro (incense burner), a Japanese incense burner
• Koro (medicine), the syndrome of someone's belief that his/her external genitals disappear
• KORO, a Spanish-language television station in Corpus Christi, Texas, USA
• 'Oro, a god in Polynesian mythology