Gregory Allen Kurstin (born May 14, 1969) is an American record producer, multi-instrumentalist, and songwriter. He has won nine Grammy Awards, including Producer of the Year, Non-Classical in 2017 and 2018, and contributed to five songs that peaked atop the Billboard Hot 100.
Kurstin worked closely with English singer Adele on her albums 25 (2015) and 30 (2021).