The meaning of the Acronym PIFI is...

PIFI is

• Polarization Insensitive Fiber Isolator

More Meanings For PIFI:

• Personally Identifiable Financial Information
• Personally Identifiable Financial Information
• Programas Integrales de Fortalecimiento Institucional
• Polarization Insensitive Fiber Isolator

PIFI is also in:

• Accounting
• Firms
• Products
• Security