The Chess World Cup 2011 was a chess World Cup tournament. It was a 128-player single-elimination tournament, played between 26 August and 21 September 2011, in Khanty-Mansiysk, Russia. The Cup winner Peter Svidler, along with second placed Alexander Grischuk and third placed Vassily Ivanchuk, qualified for the Candidates stage of the World Chess Championship 2013.

Khanty-Mansiysk is a city in west-central Russia. Technically, it is situated on the eastern bank of the Irtysh River, 15 kilometers (9.3 mi) from its confluence with the Ob, in the oil-rich region of Western Siberia. Though it is an independent city, Khanty-Mansiysk also functions as the administrative centre of Khanty-Mansiysky District, and the administrative center of Khanty-Mansi Autonomous Okrug–Yugra.