SU

Su or SU may stand for: {{wiktionarypar|su}}

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• the Soviet Union, former ISO country code.
• a students' union.
• in algebra, a special unitary group, or the corresponding Lie algebra in mathematics.
• SU carburetor, or Skinners Union, type of carburetor used in many british cars.
• Silliman University
• Stanford University.
• Stockholm University.
• Syracuse University.
• the IATA code for Aeroflot.
• Shut up.
• su, the Unix subsitute user command.
• 苏, or Sū, the Jiangsu province of the People's Republic of China.
• Sukhoi, the Russian aircraft company.
• Sundanese, or Basa Sunda (or Wikipedia in Sundanese).
• Su, the Basque spirit of fire.
• Sosialistisk Ungdom