Institute for Nuclear Research of the Russian Academy of Sciences (INR RAS, Russian: Институт ядерных исследований) is a Russian scientific research center "for further development of the experimental base and fundamental research activities in the field of atomic nucleus, elementary particle and cosmic ray physics and neutrino astrophysics".

It was founded in 1970 by the Decree of the USSR Council of Ministers. Located in Moscow, Russia near the Moscow State University and in Troitsk.

The institute is a founder of the Baksan Neutrino Observatory, the Baikal Deep Underwater Neutrino Telescope (Lake Baikal) and the former Artemovskaya Scientific Station (Soledar, Ukraine).

About 1,300 specialists including 5 academicians and 2 corresponding members of the RAS, 42 doctors and 160 candidates of science work in the institute.

• Albert Nikiforovich Tavkhelidze, academician of RAS (1970–1986)
• Viktor Anatolyevich Matveev, academician of RAS, head of the Presidium of the Scientific Center of RAS in Troitsk (1987–2014)
• Leonid Vladimirovich Kravchuk (since 2015)

• Vladimir Lobashev
• Joint Institute for Nuclear Research

• INR RAS Website
• Portal of INR RAS in Moscow
• Portal of INR RAS in Troitsk

55°28′05″N 37°16′31″E / 55.4681°N 37.2753°E / 55.4681; 37.2753