The Men's giant slalom competition at the FIS Alpine World Ski Championships 2021 was held on 19 February.

[1][2] A qualification was held on 18 February 2021.

[3] The first run was started on 19 February at 10:00,[4] and the second run at 13:30.

[5] The first run was started on 18 February at 10:00,[6] and the second run at 13:30.

[7]