SFX

SFX may refer to:

An abbreviation for special effects
Sound effect, artificially created or enhanced sounds
SFX magazine, a science fiction-related magazine
Spread Firefox, a campaign to encourage the use of Mozilla Firefox
SFX (venue), a concert venue in Dublin
Self-extracting archive, a compressed file with an embedded executable to decompress itself
An abbreviation for St. Francis Xavier College located in Berwick, Victoria and Beaconsfield, Victoria.