FOP
FOP is an abbreviation for:
- Apache Formatting Objects Processor , a program for processing XSL-FO documents
- Feature Oriented Programming , modular abstraction of software features
- Fibrodysplasia ossificans progressiva , an ossification of the connective and supporting tissue
- Flowery Orange Pekoe , a tea gradation, see tea glossary #F
- Freedom of panorama , see freedom of panorama
- Freedom and Order Party, a party in Austria
- Front Odrodzenia Polski (Front for the Rebirth of Poland), an underground Catholic organization