| Event: | Men's 4 x 100 metres relay |
| Competition: | European Athletics Championships |
The men's 4 x 100 metres relay at the 1971 European Athletics Championships was held in Helsinki, Finland, at Helsinki Olympic Stadium on 14 and 15 August 1971.
| Gold | Ladislav Kříž Juraj Demeč Jiří Kynos Luděk Bohman | |
| Silver | Gerard Gramse Tadeusz Cuch Zenon Nowosz Marian Dudziak  | |
| Bronze | Vincenzo Guerini Pietro Mennea Pasqualino Abeti Ennio Preatoni  |
15 August
| Rank | Nation | Competitors | Time | Notes | ||
|---|---|---|---|---|---|---|
| align=left | 39.32 | NR | ||||
| align=left | | 39.72 | ||||
| align=left | | 39.78 | ||||
| 4 | align=left |  | 39.78 | |||
| 5 | align=left | 40.00 | ||||
| align=left | DNF | |||||
| align=left | DQ | |||||
| align=left |  | DQ |
14 August
| Rank | Nation | Competitors | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | 39.55 | Q | |||
| 2 | align=left | | 39.77 | Q | ||
| 3 | align=left | | 39.83 | Q | ||
| 4 | align=left | | 39.95 | Q | ||
| 5 | align=left |  | 40.67 |
| Rank | Nation | Competitors | Time | Notes | ||
|---|---|---|---|---|---|---|
| 1 | align=left | | 39.40 | Q | ||
| 2 | align=left | 39.42 | Q | |||
| 3 | align=left | 39.77 | Q | |||
| 4 | align=left | 39.78 | Q | |||
| align=left | DNF |
According to an unofficial count, 40 athletes from 10 countries participated in the event.
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