← 2020 2019 2018 2021 in Brunei → 2022 2023 2024
Decades:	2000s 2010s 2020s
See also:	Other events of 2021 Timeline of Bruneian history

Events in the year 2021 in Brunei.

Incumbents

• Sultan: Hassanal Bolkiah

Events

Ongoing — COVID-19 pandemic in Brunei

Deaths

• 29 May – Cornelius Sim, Roman Catholic cardinal and apostolic vicar of Brunei. (b. 1951).^[1]
• 15 June – Muslim Burut, recipient of the S.E.A. Write Award and Mastera Literary Award. (b. 1943).^[2][3]