The meaning of the Acronym PIU is...

PIU is

• Pyrotechnic Initiator Unit
• Power Interface Unit

More Meanings For PIU:

• Pump It Up
• Performance And Innovation Unit
• Programmable Interface Unit
• Pyrotechnic Initiator Unit
• Power Interface Unit
• Programming Investigation Unit
• Piura, Peru

PIU is also in:

• Airport Codes
• Chat
• General
• Military
• NASA
• US Government