Viswanathan Anand, in his native Tamil: விசுவநாதன் ஆனந்த், born December 11, 1969, is an Indian chess grandmaster and the current World Chess Champion. Anand is one of four players in history to break the 2800 mark on the FIDE rating list and he has been among the top three ranked players in classical time control chess in the world continuously since 1997.

In the April 2007 FIDE Elo rating list, Anand was ranked first in the world for the first time, and he retained the number one spot in the July 2007 list with a rating of 2792, a lead of 23 points. He heads the current October 2007 list with an Elo rating of 2801. He is the sixth person to head the rating list since its inception in 1970; the other five being Fischer, Karpov, Kasparov, Kramnik and Topalov. Anand became, for the first time, the undisputed World Chess Champion on September 29, 2007, after winning the 2007 World Chess Championship Tournament held in Mexico City.