SU2

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

 * 3158 Anga (provisionally 1976 SU$2$), a minor planet discovered on September 24, 1976
 * 5499 (provisionally 1981 SU$2$), a minor planet discovered on September 29, 1981
 * 7887 Bratfest (provisionally 1993 SU$2$), a minor planet discovered on September 18, 1993