ERF
# ERF

Erf or ERF may refer to:

## Industry

* Enerplus, a North American energy producer whose stock is listed as ERF under the TSX and NYSE
* ERF (truck manufacturer), a former British truck manufacturer

## Mathematics

* Error function, erf
* Exponential response formula

## Science and technology

* Effective radiative forcing, a concept to compare radiative forcing in climate models
* ERF (gene), coding for ETS domain-containing transcription factor
* Electrorheological fluid
* Eukaryotic release factors
* Event-related field

## Other uses

* Erf (law), in real estate law
* Erf (river), in Germany
* Estuarine Research Federation, an American environmental organization
* Erfurt-Weimar Airport, in Germany (IATA code)
* European Racquetball Federation
* European Refugee Fund
* Extreme Reaction Force, in United States military prisons
* Reformed Church of France (French: Église réformée de France), a Christian denomination in France
