A United Nations Secretary-General selection was held in June 2021 to choose the Secretary-General of the United Nations. Incumbent António Guterres was the only official candidate for the position. On June 8, 2021, Guterres was unanimously recommended by the United Nations Security Council (SC) for a second term at the helm of the organisation. His re-election was ratified by the United Nations General Assembly (GA) by acclamation on June 18, 2021, without a vote. Guterres commenced his second term on 1 January 2022.

A United Nations Secretary-General selection was held in October 2016 to choose the ninth secretary-general of the United Nations to succeed Ban Ki-moon from 1 January 2017. Six straw polls were held in the Security Council from 21 July 2016 to 5 October 2016. António Guterres of Portugal led the polling in every round, finishing the last round with 13 'encourage' votes, 0 'discourage' votes, and 2 abstentions. On 6 October 2016, the Security Council unanimously recommended Guterres to the General Assembly, which formally selected him by acclamation on 13 October 2016.