What does JDF stand for?

Jamaican Defense Forces

Jamming Direction Finder - Military (CAAL)

J-Fiberglass Products Inc., Wilson, NC - Manufacturer code for watercraft hull identification number (USCG)

Job Description Form (SAUO)

Job Description Format (CAL)

Joe Dan Farm - Horse racing entrants (HRTC)

Juiz De Fora - Brazil - Airport symbol (OAG)

Juvenile Diabetes Foundation - Later, JDFI (EA)

Juvenile Diabetes Foundation International (SAUO)