Starship Troopers, a science fiction book by Robert A. Heinlein

The acronym SST may refer to:

Starship Troopers (film), a film loosely based on the book by Robert A. Heinlein of the same name

Supersonic transport (SST), civil aircraft for transporting passengers faster than the speed of sound.

US Navy hull classification symbol for Training Submarines

School of Science and Technology, a magnet program within Merlo Station High School with emphasis on the sciences and technology.

Spitzer Space Telescope, a space observatory observing in the infrared launched in 2003.

The Samoan Swat Team, a professional wrestling tag team.

Scaled Composites SpaceShipTwo

The Safe Secure Trailer is a modified 18-wheel cargo truck used by the United States Office of Secure Transportation to move specialized cargoes, such as nuclear weapons.

Sea surface temperature

SST Records, an independent record label

Swedish Solar Telescope, a telescope dedicated to observing the Sun.

Special Security Team, a group within the Japanese Coast Guard.

Silicon Storage Technology, Inc, a manufacturer of flash parts

Sega Sound Team, a Japanese music band.

Salo-Salo Together (SST), a defunct Philippine noontime variety show aired over GMA Network from 1993 to 1995.

The Streamlined Sales Tax Project, a national effort to standardize the way states tax goods.

Starship Traders, a multiplayer webgame.

Singapore Standard Time

Serum-separating tube, a particular type of evacuated tube used during venipuncture.

Shiva Smart Tunneling, a simple VPN tunneling protocol in Eicon Shiva series VPN gateway products.