The SU-100P (Russian: СУ-100П, GABTU index "Object 105") is a Soviet experimental 100-mm self-propelled howitzer, and is designed by OKB-3 of the heavy machine construction division of Uralmash. The main designer of the SU-100P is Lev Gorlitsky. The SU-100P was intended to suppress and destroy enemy firing positions, engage enemy armored vehicles, as well as area denial, in addition to conducting counter-battery tasks. It was intended to be the main competitor of the Object 416.