The meaning of the Acronym SPF is...

SPF is

• Sunbelt Personal Firewall

More Meanings For SPF:

• Spruce Pine Fir
• Shortest Path First
• Skin Protection Factor
• Sale Pending Funds
• Standard Pacific Corporation
• Slide Presentation File
• Sunbelt Personal Firewall
• Summertime Phone Functionality
• Single Project Funding
• Spacelab Processing Facility
• Software Production Facility
• Single Point Failure
• Sphincter Pucker Factor
• Sender Permitted From
• Sun Protection Factor

SPF is also in:

• Accounting
• Botany
• Chat
• File Extensions
• Mathematics
• Meteorology
• Military
• NASA
• NYSE Symbols
• Physiology
• Software
• Telecom