SEF
# SEF

SEF may refer to:

* Sankara Eye Foundation, a non-profit that works for eradicating curable blindness in India
* Serviço de Estrangeiros e Fronteiras, Portuguese Border and Alien Service
* Sinfonia Educational Foundation, the philanthropic arm of the Phi Mu Alpha Sinfonia Music Fraternity
* Small Enterprise Foundation, a microfinance institution operating primarily in the Limpopo province of South Africa
* South Eastern Freeway, a Freeway in Australia
* Special Emergency Force, A Saudi Arabian riot control and counter-terrorism force
* Spectral edge frequency, a measure used in signal processing
* Stadio Erinis & Filias, the Greek name for Peace and Friendship Stadium, an indoor sports arena in Athens
* Straits Exchange Foundation, a semi-official organization of Taiwan that deals with the business matters with China
* Supplementary eye fields, areas in the primate brain that are involved in planning and control of saccadic eye movements
* Swap Execution Facility, a platform for regulated trading and clearing of swaps to be required in the United States by the Dodd-Frank bill
* Swedish Elite Football
* Swedish Electricians' Union, a trade union in Sweden
* Seaford railway station (England), a railway station in Sussex, England

See also:

* Sef, Iran (disambiguation)
* Sef Gonzales, Asian-Australian murderer
