Joe Rowley has pledged his future to the club by signing a contract until the summer of 2022.
Commenting on the news, the 21-year-old midfielder said: “I’m delighted to have got the deal sorted.
“I have been at the club for eight years after coming through the academy. It means everything to me and I want to be successful with Chesterfield.”
Rowley made his debut in March 2017 and signed his first professional contract the following month.
He has made over 100 appearances and is an England C international.