The International Young Physicists' Tournament 2011 was the 24th edition of the International Young Physicists' Tournament and was hosted by Ariaian Young Innovative Minds Institute, AYIMI, in Iran (Persian: مؤسسه اندیشه های خلاق جوان آریایی Moasese Andisheha-ye Khalagh-e Javan-e Ariyaee).

This procedure could lead to two basic things: firstly, all teams will have an opportunity to present their best solution, even if they do not reach the final.

The executive committee (EC) voted to decide which candidate should host the tournament in July 2010.

[4] In May 2011, the Local Organizing Committee (LOC) confirmed that national teams from 21 countries would be present in the IYPT 2011.

The top 3 teams were qualified for the final:  South Korea,  Austria,  Germany.