Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the RAS, ITAM SB RAS (Russian: Институт теоретической и прикладной механики имени С. А. Христиановича СО РАН) is a research institute in Akademgorodok of Novosibirsk, Russia.

[1] In 1957, the institute was located within the territory of SibNIA, where it was engaged in the creation of a supersonic wind tunnel until 1960.

[2] In 1991, the International Center for Aerophysical Research (ICAR) was established at the institute.

[3] In 1997, the institute became a member of the International Supersonic Tunnel Association (STAI).

[5] As of 2023, three scientists at the institute had been arrested on suspicion of treason of sharing hypersonic technology.