OPF

OPF may refer to:

Science and technology

 * Gasoline particulate filter (German: Ottopartikelfilter Otto particle filter), capturing soot particles from the petrol engine exhaust gases
 * OEB Package Format, an eBook format
 * OpenProject Foundation, the foundation for the open source web-based application OpenProject, registered 2012 in Berlin, Germany
 * Optimal power flow, a technique used to simulate load flow through an AC power system

Other uses

 * Miami-Opa Locka Executive Airport (IATA and FAA LID: OPF), Florida, US
 * Orbiter Processing Facility, a class of hangars at Kennedy Space Center, Florida, US