Abhimanyu Mishra is an American grandmaster born in 2009 in Long Branch, New Jersey. Introduced to chess by his father at the age of two, he was playing tournaments by five. He became the youngest International Master in history in 2019 and qualified as a grandmaster in 2021 at 12 years, 4 months and 25 days, the youngest ever.

Mishra won the U.S. Junior Championship in 2023 and tied for second place at the U.S. Championship the same year. At the 2025 FIDE Grand Swiss, aged 16, he defeated D Gukesh, becoming the youngest player to beat a reigning World Champion in classical chess. In 2026 he won the Menorca Open unbeaten with 7½/9.