| 2022–23 LEN Challenger Cup | |
| Sport: | Water Polo |
| No Of Teams: | 15 |
| No Of Games: | 35 |
| Duration: | 11 November 2022 – 29 April 2023 |
| League: | LEN Challenger Cup |
| Finals Champ: | GS Apollon Smyrnis (1st title) |
| Finals Runner-Up: | CN Terrassa |
| Seasonslist: | LEN Challenger Cup |
| Seasonslistnames: | LEN Challenger Cup |
| Nextseason Year: | 2023–24 |
The 2022–23 LEN Challenger Cup was the inaugural edition of a water polo competition organised by the Ligue Européenne de Natation (LEN). It acts as the third tier, below the LEN Champions League and the LEN Euro Cup. GS Apollon Smyrnis of Greece became the first champions, defeating CN Terrassa of Spain in the final.[1] [2]
In June 2022, LEN announced the introduction of the LEN Challenger Cup. This tournament was designed to help developing countries and club grow and play more European club games.[3] [4]
Fifteen teams, who had been eliminated from the Champions League and Euro Cup, were divided into three groups of four and one group of three. The groups were held in one country. At the end of the group stage, the top two teams advanced to the Knockout Stage. In the Knockout Stage, the ties were played in a home and away format.
(CL: Eliminated in Champions League; EC: Eliminated in Euro Cup).
 VK Invictum Sarajevo (CL) | SK KVIK Kastrup (CL) | SV Ludwigsburg 08 (EC) | ||
| GS Apollon Smyrnis (EC) | NC Ydraikos (EC) |  ASA Tel Aviv (CL) | ZPC Het Ravijn (CL) | |
 KVP Nováky (CL) | SKP Košice (EC) | Triglav Kranj (EC) | CN Terrassa (EC) | |
 Tenerife Echeyde (EC) |  Enka Istanbul (CL) | Galatasaray (CL) |
| Phase | Round | Round date |
|---|---|---|
| Group Stage | Group Stage | 11–13 November 2022 |
| Quarter-Finals | First Leg | 24–25 January 2023 |
| Second Leg | 8–18 February 2023 | |
| Semi-Finals | First leg | 1 March 2023 |
| Second leg | 22 March 2023 | |
| Final | First Leg | 19 April 2023 |
| Second Leg | 29 April 2023 |
The draw took place on the 26th of October.[5]
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The draw for the Knockout Stage was made on the 20 November 2022.[6]
Tenerife Echeyde won 35–16 on aggregate----GS Apollon Smyrnis won 25–13 on aggregate----CN Terrassa won 31–19 on aggregate----Enka Istanbul won 29–24 on aggregate
GS Apollon Smyrnis won 28–19 on aggregate----CN Terrassa won 25–20 on aggregate
GS Apollon Smyrnis won 30–25 on aggregate