SPF=
Sun Protection Factor?
Sender Policy Framework?
Singapore Police Force?
Scottish Police Federation?
Scottish Photographic Federation?
Survey of Professional Forecasters?
Strategic Prevention Framework?
Sasakawa Peace Foundation?
Specific Pathogen-Free?
Smartphone Pentest Framework?
School Psychology Forum?
Spray Polyurethane Foam?
Spastic Paraplegia Foundation?
Strictly Platonic Friend?
smurf pmurf fmurf?