| 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) |