Luch Scientific Production Association (Russian: НИИ НПО «ЛУЧ») or NPO Luch is a company based in Podolsk, Russia.

It produces metals, alloys, and compounds of tungsten, molybdenum, niobium, zirconium, tantalum, beryllium, chromium, rhenium, and titanium for the nuclear, chemical, and electronic industries.

[2] It was one of the main developers of the Topaz-2 satellite nuclear power reactor and is developing thermionic fuel elements and other materials for the Topaz-3 nuclear power reactor.

NPO "Luch" has also conducted extensive work on high-temperature cores for nuclear rocket propulsion, designed for space projects.

[2] The Associated Expedition of NPO "Luch", the enterprise's field test facility, is located at Semey in Kazakhstan.