The Secretary-General of the United Nations at the time of invasion of Iraq in 2003 was:

🧠 Explanation:

Kofi Annan, UN Secretary-General during the 2003 Iraq invasion, served from 1997 to 2006. A Ghanaian diplomat, he led global efforts for peace, development, and human rights. During the U.S.-led invasion, Annan navigated complex diplomacy, advocating for UN resolutions and humanitarian aid amid controversy. His tenure saw reforms and initiatives like the Millennium Development Goals. Annan’s leadership during the Iraq crisis highlighted the UN’s role in global stability, earning him a Nobel Peace Prize in 2001. His work remains a benchmark for international diplomacy, influencing peacekeeping and humanitarian efforts worldwide.