Melnikov Permafrost Institute of the Siberian Branch of the Russian Academy of Science (Russian: Институт мерзлотоведения имени П. И. Мельникова СО РАН) is a research institute based in Yakutsk, Russia, a city built on continuous permafrost.

It was founded in 1960.

In 2020, with global heating thawing the ground, the Institute is measuring the rate at which the permafrost is thawing, which affects the city as well as the climate.

[1] Method for Determining Air Content in Frozen Soil and other.

[citation needed] Cryo-storage of seeds of rare and promising plants was opened in 2012.