The 2010 G20 Seoul Summit was the fifth meeting of the G20 heads of government/heads of state, to discuss the global financial system and the world economy, which took place in Seoul, the capital of South Korea. South Korea was the first non-G8 nation to host a G20 leaders' summit.

The G20 is the premier forum for discussing, planning, and monitoring international economic cooperation.

The theme of the summit was "Shared Growth Beyond Crisis".

The summit leaders addressed several mid- and long-term policy issues, including

Representatives met in advance of the leaders' summit. These sherpas were tasked to draft a closing statement for the summit. The debate over currency exchange rates and imbalances was reported to have been "heated".

The summit logo incorporated two images: the sun rising over the sea and a traditional Korean lantern (cheongsachorong).

Originally, three new artificial islands built on the Han River between the Banpo and Dongjak bridges were going to be used as the main venue. However, delayed construction of the islands led for the main summit venue to relocate to COEX Convention & Exhibition Center.

The Republic of Korea Armed Forces and Seoul Metropolitan Police Agency provided security for the venues.