Mikko Nicknames:

• Mik
• Mika
• Mikki
• Ko
• Mikkonen
• Mikkis
• Miksu
• Mikke
• Mikachu
• Mikster

Mikko Variants:

• Mikael (Finnish variant)
• Mika (diminutive form)
• Mik (short form)
• Miko (alternative spelling)
• Micah (related name)