FSP may stand for:
- Familial spastic paraparesis
- Fellow of The School of Pharmacy
- Fibre saturation point
- Fibrin split products, a test of clotting dysfunction in human physiology. Also known as fibrin degradation products
- Florida State Prison
- Folha de São Paulo
- Folsom State Prison
- Food Stamp Program
- Foro de São Paulo
- Freedom Socialist Party
- Free State Project
- FSP Group, Taiwanese PSU manufacturer.
- Saint Pierre Airport, the IATA airport code.
- Florent Sinama Pongolle, a French footballer
- Functional sentence perspective
Read more about FSP: In Computing