NATI (Russian: Научный автотракторный институт, romanized: Nauchnyj avtotraktornyj institut) was a manufacturer of motorcycles in the Soviet Union from 1931 -1933.
It built the NATI-A-750, designed by Soviet engineer Pyotr Mozharov, prior to the transfer of manufacturing to Podolsk Mechanical Plant.
The date of foundation of the company is considered to be December 31, 1925.
The institute has unique experimental equipment, automated stands, climate chambers, and has a highly qualified team of researchers and testers.