The meaning of the Acronym FSSP is...

FSSP is

• Fraternitas Sacerdotalis Sancti Petri (Priestly Fraternity of St. Peter)

More Meanings For FSSP:

• Forward-scattering Spectrometer Probe
• Fuel System Supply Point
• Fraternitas Sacerdotalis Sancti Petri (Priestly Fraternity of St. Peter)

FSSP is also in:

• Military
• Ocean Science
• Religion