EFB

• Anisogramma anomala, a plant pathogen affecting Corylus spp. (hazelnut)
• Electronic flight bag, an information management device for flight crews
• European foulbrood, a honeybee disease
• Enhanced flooded battery, an automobile battery technology

• European Federation of Biotechnology
• French Bilingual School of South Carolina (French: {{lang|fr|École Française Bilingue}}), US

• Esbjerg fB, a Danish football club
• EfB Ishockey, a Danish professional ice hockey team

{{disambiguation}}