SU2 may refer to:

  • SU(2), the 2-dimensional special unitary group in mathematics
  • SU-2, a scout version of the Vought O2U Corsair biplane
  • SU2 code, a suite of open-source software tools written in C++ for the numerical solution of partial differential equations
  • Sukhoi Su-2, a Soviet reconnaissance and light bomber aircraft used in the early stages of World War II

Asteroids

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  • 3158 Anga (provisionally 1976 SU2), a minor planet discovered on September 24, 1976
  • 5499 (provisionally 1981 SU2), a minor planet discovered on September 29, 1981
  • 7887 Bratfest (provisionally 1993 SU2), a minor planet discovered on September 18, 1993