CKOI may refer to:

• CKOI-FM, a radio station (96.9) licensed to Montreal, Quebec, Canada
• CKOI (network), a defunct network of radio stations in Quebec based at CKOI-FM

• Indru Netru Naalai
• Indru Poi Naalai Vaa
• Indru Pol Endrum Vaazhga
• In Druí Ua Carthaigh
• Indryanto Nugroho
• Indrė Šerpytytė
• Ind-scheme
• INDT
• In Dubious Battle (film)
• In Dub - Live
• In Dub – Live
• Induce apoptosis in cancer cell lines
• Induced character
• Induced-charge electrokinetics
• Induced-charge Electrokinetics
• Induced cycle
• Induced dipole
• Induced earthquake
• Induced-fit hypothesis
• Induced function
• Induce (disambiguation)
• Induced magnetic field
• Induced map
• Induced mass tensor
• Induced menopause