ESFL
| Acronym | Definition |
|---|---|
| ESFL | FEMA (Federal Emergency Management Agency) Emergency Support Function #4 Administrative Support |
| ESFL | Entidades Sem Fins Lucrativos (Portuguese: Nonprofit Entities) |
| ESFL | Even Start Family Literacy (Department of Public Instruction; Madison, WI) |
| ESFL | Elementary School Foreign Language |
| ESFL | East Sussex Football League (UK) |
| ESFL | English Senior Flag League (American football league; UK) |