Koltsovo (Russian: Кольцо́во) is an urban locality (a work settlement) in Novosibirsky District of Novosibirsk Oblast, Russia.

The history of Koltsovo began in 1974 and is inseparably linked with the creation of the State Research Center of Virology and Biotechnology VECTOR, an institute specialized in the study of especially dangerous viruses.

The settlement, initially established as the home for the institute was named after famous Soviet biologist, cytologist and geneticist Nikolai Koltsov.

A number of research spin-offs were created at that period, including Vector-Medica, Vector-Best, Vector-Bialgam, ImDi, which are currently among the most prominent innovation enterprises in Koltsovo.

[26] On September 16, 2019, an explosion occurred in a decontamination room on the fifth floor of a six-story building at the laboratory complex.

Koltsovo Park offers downhill skiing in winter and fishing and horse riding in summer.

[34] Koltsovo has a stadium, refurbished in 2008, with running tracks, tennis court, football and volleyball fields.

The town is often visited by business and scientific delegations from European and Asian countries, such as Finland, Germany, the Netherlands, Norway, China, Thailand and others.

Koltsovo businesses often send employees on company missions abroad, to countries like Finland, Greece, Germany and others.