2019–20 Atlantic Coast Conference men's basketball season

The 2019–20 Atlantic Coast Conference men's basketball season began with practices in October 2019, followed by the start of the 2019–20 NCAA Division I men's basketball season in November. Conference play started in late December 2019 and concluded in March with the 2020 ACC Men's Basketball Tournament at the Greensboro Coliseum in Greensboro, North Carolina. The season marks 66th season of Atlantic Coast Conference basketball.

2019–20 Atlantic Coast Conference men's basketball season

The 2019–20 Atlantic Coast Conference men's basketball season began with practices in October 2019, followed by the start of the 2019–20 NCAA Division I men's basketball season in November. Conference play started in late December 2019 and concluded in March with the 2020 ACC Men's Basketball Tournament at the Greensboro Coliseum in Greensboro, North Carolina. The season marks 66th season of Atlantic Coast Conference basketball.