| 2017–18 Women's LEN Trophy | |
| League: | Women's LEN Trophy |
| Sport: | Water Polo |
| Duration: | 13–14 April 2018 |
| No Of Teams: | 4 |
| Finals Runner-Up: | Olympiacos |
| Seasonslist: | Women's LEN Trophy |
| Seasonslistnames: | Women's LEN Trophy |
| Prevseason Link: | 2016–17 Women's LEN Trophy |
| Prevseason Year: | 2016–17 |
| Nextseason Link: | 2018–19 Women's LEN Trophy |
| Nextseason Year: | 2018−19 |
The 2017–18 Women's LEN Trophy was the 19th edition of the European second-tier tournament for women's water polo clubs. It was contested in Mataró, Spain, on 13 and 14 April 2018.[1] [2]
Dunaújváros achieved the first continental trophy of its history. The Hungarian team won the semifinal against host CN Mataró and the final match against Greece's Olympiacos.[3] [4]
The tournament was contested by the four teams eliminated from the Euro League's quarterfinals.|}
| Final 4 | ||||
|---|---|---|---|---|
| Olympiacos | ||||
 Dunaújváros | ||||
 Plebiscito Padova | ||||
 CN Mataró | ||||
Mataró was chosen by LEN as host of tournament on 20 March, while the draw was held during Europa Cup's Superfinal, in Pontevedra, on 24 March 2018.[5] [6] [7]