The women's 100 metres hurdles event at the 2007 European Athletics U23 Championships was held in Debrecen, Hungary, at Gyulai István Atlétikai Stadion on 13 and 14 July.
| Gold | Nevin Yanıt | |
| Silver | Christina Vukicevic | |
| Bronze | Jessica Ennis |
14 July
Wind: -0.3 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 12.90 | ||||
| align=left | align=left | | 13.08 | ||||
| align=left | align=left | 13.09 | |||||
| 4 | align=left | align=left |  | 13.12 | |||
| 5 | align=left | align=left |  | 13.16 | |||
| 6 | align=left | align=left | 13.29 | ||||
| 7 | align=left | align=left |  | 13.38 | |||
| 8 | align=left | align=left |  | 13.48 |
13 July
Qualified: first 4 in each heat to the Final
Wind: -1.9 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 12.98 | Q | ||
| 2 | align=left | align=left | 13.08 | Q | |||
| 3 | align=left | align=left | | 13.25 | Q | ||
| 4 | align=left | align=left | | 13.41 | Q | ||
| 5 | align=left | align=left | | 13.60 | |||
| 6 | align=left | align=left | 13.64 | ||||
| 7 | align=left | align=left | | 13.67 | |||
| 8 | align=left | align=left | 13.74 |
Wind: -1.4 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 13.27 | Q | ||
| 2 | align=left | align=left | 13.35 | Q | |||
| 3 | align=left | align=left | | 13.40 | Q | ||
| 4 | align=left | align=left | | 13.45 | Q | ||
| 5 | align=left | align=left | 13.49 | ||||
| 6 | align=left | align=left | | 13.57 | |||
| 7 | align=left | align=left | 13.71 | ||||
| 8 | align=left | align=left |  | 13.92 |
13 July
Qualified: first 3 in each heat and 4 best to the Semifinale
Wind: 0.6 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 13.03 | Q | ||
| 2 | align=left | align=left | 13.06 | Q | |||
| 3 | align=left | align=left | | 13.52 | Q | ||
| 3 | align=left | align=left | 13.52 | Q | |||
| 5 | align=left | align=left | 13.82 | q | |||
| 6 | align=left | align=left | 13.85 | ||||
| 7 | align=left | align=left | | 14.05 |
Wind: 0.2 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 13.13 | Q | ||
| 2 | align=left | align=left | | 13.25 | Q | ||
| 3 | align=left | align=left | | 13.30 | Q | ||
| 4 | align=left | align=left | 13.36 | q | |||
| 5 | align=left | align=left | | 13.72 | q | ||
| 6 | align=left | align=left |  | 13.93 | |||
| 7 | align=left | align=left |  | 14.01 | |||
| 8 | align=left | align=left |  | 14.10 |
Wind: -1.2 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 13.42 | Q | ||
| 2 | align=left | align=left | | 13.54 | Q | ||
| 3 | align=left | align=left | 13.75 | Q | |||
| 4 | align=left | align=left | 13.94 | ||||
| 5 | align=left | align=left | | 13.97 | |||
| 6 | align=left | align=left |  | 14.13 | |||
| align=left | align=left |  | DNS |
Wind: -1.5 m/s
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 13.30 | Q | ||
| 2 | align=left | align=left | 13.42 | Q | |||
| 3 | align=left | align=left | | 13.50 | Q | ||
| 4 | align=left | align=left | | 13.86 | |||
| 5 | align=left | align=left | | 13.95 | |||
| 6 | align=left | align=left | | 13.97 | |||
| 7 | align=left | align=left |  | 14.04 | |||
| 8 | align=left | align=left |  | 15.60 |
According to an unofficial count, 29 athletes from 20 countries participated in the event.
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