The COVID-19 pandemic in the British Indian Ocean Territory is part of the ongoing worldwide pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

The virus was confirmed to have reached Diego Garcia of the British Indian Ocean Territory in November 2020.

[1][2] On 12 January 2020, the World Health Organization (WHO) confirmed that a novel coronavirus was the cause of a respiratory illness in a cluster of people in Wuhan City, Hubei Province, China, which was reported to the WHO on 31 December 2019.

[7][5] From 19 March 2020, Public Health England no longer classified COVID-19 as a "High consequence infectious disease".

[6] In November 2020, the first case of COVID-19 was confirmed at Diego Garcia.