The men's 4 × 400 metres relay event at the 2023 European Athletics Indoor Championships were held on 5 March 2023 at 19:10 (final) local time.

Spain led most of the way to only finished fourth, and their young and extremely talented 18-year-old anchor, the 400m world indoor junior champion, was just overtaken at the very end, specifically on the very last bend, by older and more experienced final leg runners.