Mukhiddin Madaminov (born 2 November 2006) is an Uzbek chess grandmaster.
Madaminov was born on 2 November 2006. He became a FIDE master in 2019, an international master in 2022, and a grandmaster in 2024.
During the eighth round of the World Rapid Chess Championship 2023, he as black checkmated Surya Shekhar Ganguly as white in 8 moves in a Scotch Game that ended in a scholar's mate. This was a rare instance of such a checkmate occurring in a master-level game.
In February 2024, he started a Titled Tuesday tournament with a perfect score of 9/9, though failed to maintain the success through to the end of the tournament.
In July 2024, he tied for first place with Rinat Jumabayev, Leon Luke Mendonca, and Ayush Sharma in the Master Tournament MTO section of the Biel Chess Festival. He was ultimately ranked in 4th place.
In February 2025, he won the Al-beruniy Masters with 6ý/9. In June 2025, he finished at second place in the UzChess Cup challengers with 6/9.
During the 2025 Chess World Cup, he was the of Javokhir Sindarov, who won the tournament.