The men's 200 metres event at the 2005 European Athletics U23 Championships was held in Erfurt, Germany, at Steigerwaldstadion on 15 and 17 July.
| Gold | David Alerte | |
| Silver | Sebastian Ernst | |
| Bronze | Koura Kaba Fantoni |
17 July
Wind: 1.3 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 20.47 | ||||
| align=left | align=left | 20.58 | |||||
| align=left | align=left | | 20.71 | ||||
| 4 | align=left | align=left | 20.73 | ||||
| 5 | align=left | align=left | 20.78 | ||||
| 6 | align=left | align=left | 20.78 | ||||
| 7 | align=left | align=left |  | 20.88 | |||
| 8 | align=left | align=left | | 21.13 |
15 July
Qualified: first 2 in each heat and 2 best to the Final
Wind: 0.1 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 20.76 | Q | |||
| 2 | align=left | align=left | 20.91 | Q | |||
| 3 | align=left | align=left |  | 21.12 | |||
| 4 | align=left | align=left |  | 21.14 | |||
| 5 | align=left | align=left | | 21.34 |
Wind: 0.2 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 20.54 | Q | |||
| 2 | align=left | align=left | | 20.79 | Q | ||
| 3 | align=left | align=left | 20.81 | q | |||
| 4 | align=left | align=left | | 21.08 | q | ||
| 5 | align=left | align=left | | 21.33 | |||
| 6 | align=left | align=left |  | 21.35 |
Wind: -0.8 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 20.69 | Q | ||
| 2 | align=left | align=left | | 20.91 | Q | ||
| 3 | align=left | align=left | 21.23 | ||||
| 4 | align=left | align=left | | 21.36 | |||
| 5 | align=left | align=left |  | 21.53 | |||
| 6 | align=left | align=left |  | 21.92 |
According to an unofficial count, 17 athletes from 11 countries participated in the event.
(1) (1) (3) (1) (3) (1) (1) (1)