SU

SU

1. (algebra) special unitary group

• U, GL, SL

SU

1. (international standards, obsolete) Former ISO 3166-1 alpha-2 country code for the Soviet Union from 1974 to 1992.

   Synonym: SUN (alpha-3)

2. (international standards) Exceptionally reserved ISO 3166-1 alpha-2 country code for the Soviet Union.

   Synonym: SUN (alpha-3)

This is an exceptionally reserved code, included as part of ISO 3166-1 on the request of the Foundation for Internet Development, and is not endorsed for general use by the ISO. It has otherwise been deprecated.

• S.U.

SU

1. Initialism of Soviet Union.
2. Any of several universities:
   1. Initialism of Sabancı University.
   2. Initialism of Salisbury University.
   3. Initialism of Seattle University.
   4. Abbreviation of Seton Hall University.
   5. Initialism of Shippensburg University.
   6. Initialism of Silliman University.
   7. Initialism of Silpakorn University.
   8. Initialism of Sofia University.
   9. Initialism of South University.
   10. Initialism of Stanford University.
   11. Initialism of Stellenbosch University.
   12. Initialism of Stockholm University.
   13. Initialism of Syracuse University.
3. Abbreviation of North Sumatra, a province of Indonesia.

SU (plural SUs)

1. Initialism of students' union.
2. (algebra) Abbreviation of special unitary group.
3. Initialism of state university.
4. Initialism of statistical unit.

• U's, U. S., U.S., U/S, US, Us, u's, u/s, us

SU

1. Abbreviation of suduesto (“southwest”).

SU

1. Initialism of Sosialistisk Ungdom (“Socialist Youth Party”).