The 2021–22 Atlantic Coast Conference men's basketball season began with practices in October 2021, followed by the start of the 2021–22 NCAA Division I men's basketball season in November. Conference began in December 2021 and concludes March 8–12, 2022, with the 2022 ACC men's basketball tournament at Barclays Center in Brooklyn, New York. This is the 68th season of Atlantic Coast Conference basketball.