Athletics at the 2021 Summer World University Games – Men's 4 × 100 metres relay

The men's 4 × 100 metres relay event at the 2021 Summer World University Games was held on 5 and 6 August 2023 at the Shuangliu Sports Centre Stadium in Chengdu, China.

Round 1
Qualification: First 2 in each heat (Q) and the next 2 fastest (q) advance to final.