Danyyil Dvirnyy (Russian: Даниил Двирный, Ukrainian: Даніїл Двірний, 21 October 1990) is an Italian chess grandmaster.

He moved in Italy in 2003, only then starting to play chess at a competitive level.

[2] In 2013, Dvirnyy won the Italian Chess Championship for the first time in Rome, where he led Sabino Brunello and Alberto David by one point.

[4] In 2015, he won the Italian Team Chess Championship with "Obiettivo Risarcimento Padova", club of Padua, and won the Italian Chess Championship for the second time, winning in the play-offs against Axel Rombaldoni and Alberto David.

[5] In 2018, he won two tournaments of the Italian Rapid Chess Championship in Chianciano Terme, with time controls of 25+5 and 12+3.