Karun Kaladharan Nair is an Indian cricketer who plays for Karnataka and India. He is a right-handed batsman and off break bowler. He made his Test cricket debut in 2016 against England. He became the third player in international cricket history to convert his maiden century into a triple century, by scoring an unbeaten 303 against England in his second Test.
He is the only second batsman for India to do so. He achieved the milestone playing only in his third Test match for India. Nair also became the quickest to score a double ton for India. Vinod Kambli did so in his fourth innings.
Karun Nair's debut season was 2013–14 in which Karnataka won the Ranji Trophy. Nair scored three consecutive centuries in their final league game and the first-two playoff matches. Karnataka won the title again in 2014–15, Nair scoring 709 runs in their ten matches.
Nair made his One Day International (ODI) debut against Zimbabwe at Harare Sports Club on 11 June 2016. On 26 November 2016, he made his Test debut against England at Mohali. He scored his maiden Test century in the final match of the series at the M. A. Chidambaram Stadium, going on to total 303 not out.
Karun Nair was a member of Royal Challengers Bangalore squad in the 2013 Indian Premier League. In the 2014 IPL auction, he was signed by the Rajasthan Royals. In the 2016 IPL Auction, he was signed by the Delhi Daredevils.