The women's 4 x 400 metres relay event at the 2007 European Athletics U23 Championships was held in Debrecen, Hungary, at Gyulai István Atlétikai Stadion on 15 July.
| Gold | Olga Shulikova Kseniya Zadorina Yelena Novikova Lyudmila Litvinova  | |
| Silver | Marie-Angélique Lacordelle Symphora Béhi Virginie Michanol Thélia Sigère  | |
| Bronze | Hanna Platitsyna Kseniya Karandyuk Yuliya Irhina Oleksandra Peycheva  |
15 July
| Rank | Nation | Competitors | Time | Notes | ||
|---|---|---|---|---|---|---|
| align=left | | 3:26.58 | CR | |||
| align=left | | 3:30.56 | ||||
| align=left | | 3:33.90 | ||||
| 4 | align=left |  | 3:34.39 | |||
| 5 | align=left |  | 3:35.82 | |||
| 6 | align=left |  | 3:37.17 | |||
| 7 | align=left |  | 3:40.17 |
According to an unofficial count, 28 athletes from 7 countries participated in the event.
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