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.

Miroslav Lajčák is a Slovak politician and diplomat, former Minister of Foreign Affairs of the Slovak Republic. In addition, Lajčák also served as President of the United Nations General Assembly for the 72nd session from 2017 until 2018.