The current Secretary-General of the United Nations (UN) is:

Explanation

– António Guterres of Portugal serves as the Secretary-General of the United Nations.
– He began his first term in January 2017 and was re-elected for a second five-year term beginning in January 2022.
– Before joining the UN, he served as Prime Minister of Portugal and later as UN High Commissioner for Refugees.
– The UN Secretary-General is the organization’s chief administrative officer, appointed by the General Assembly on the Security Council’s recommendation.