Dibyendu Barua (দিব্যেন্দু বড়ুয়া) (born October 27, 1966) is a chess Grandmaster from the city of Kolkata (Calcutta) in the Indian state of West Bengal. He is the second Indian to become a Grandmaster, after Viswanathan Anand. In 1978, Barua, as a 12-year-old, became the youngest participant in the Indian National Championship of chess. In 1982, Barua defeated the then world number two Grandmaster Viktor Korchnoi in London. In 1983, he won the national championship for the first time. Barua was awarded the Grandmaster title in 1991 by FIDE.