The 9M113 Konkurs (Russian: 9М113 «Конкурс»; English: "Contest"; NATO reporting name AT-5 Spandrel) is a Soviet SACLOS wire-guided anti-tank missile.

The original 9M113 with a single-charge warhead can penetrate 600 mm of rolled homogeneous armor (RHA).

Iran bought a license for the Konkurs in 1991 and began producing a copy, the Tosan (not to be confused with the Toophan), sometime around 2000.

This initial high speed reduces the missile's deadzone, since it can be launched directly at the target, rather than in an upward arc.

The system's accuracy is quoted in some sources as 90%, though its performance is probably comparable to the BGM-71 TOW or later SACLOS versions of the 9K11 Malyutka.