SSU

SSU may refer to:

Universities

 * Sacramento State University, California
 * Salem State University, Massachusetts
 * Salisbury State University, Maryland
 * Samar State University, Philippines
 * Saratov State University, Russia
 * Savannah State University, Georgia
 * Shawnee State University, Ohio
 * Sonoma State University, California
 * Soongsil University, South Korea
 * Southampton Solent University, England
 * Southern States University, California
 * Sri Sai University, India

Science and technology

 * Second, Saybolt universal, a standardised measure of kinematic viscosity
 * Small-subunit ribosomal RNA, as in the SSU rDNA gene or SSU rRNA product (prokaryotic 16S ribosomal RNA, mitochondrial 12S ribosomal RNA, eukaryotic 18S ribosomal RNA)
 * Synchronization Supply Unit, to reduce synchronization problems in digital telecommunications

Security

 * Sanitary Squad Unit, a unit in the United States Army Ambulance Service during World War I
 * Security Service of Ukraine
 * Special Security Unit, a specialized unit of the Sindh Police for performing security and counterterrorism functions
 * Strategic Services Unit, a US intelligence organization of the 1940s
 * Special Support Unit, was the police tactical unit of the Royal Ulster Constabulary active during The Troubles. Formed as a replacement to the Special Patrol Group in 1981 and a predecessor of the Headquarters Mobile Support Unit

Other uses

 * Sony's Spider-Man Universe
 * Southern Sporting Union, an Indian football club in Imphal, Manipur
 * Sudan Socialist Union
 * Swedish Social Democratic Youth League (Swedish Sveriges Socialdemokratiska Ungdomsförbund)