List of investigations of UFOs by governments

This is a list of government-sponsored investigations or reports related to UFOs.

Brazil

 * Operação Prato

Canada

 * Project Magnet
 * Project Second Storey

France

 * GEPAN / SEPRA / GEIPAN

Soviet Union

 * Institute 22

United Kingdom

 * Flying Saucer Working Party
 * Project Condign

United States

 * Advanced Aerospace Threat Identification Program
 * Roswell UFO incident
 * Brookings Report
 * Condon Committee
 * Estimate of the Situation
 * Project Blue Book
 * Project Grudge
 * Project Serpo
 * Project Sign
 * Project Silver Bug
 * Robertson Panel
 * All-domain Anomaly Resolution Office (AARO)
 * NASA's UAP independent study team

Uruguay

 * Uruguayan Air Force Commission for the Reception and Investigation of Complaints of Unidentified Flying Objects (CRIDOVNI)