| 2022–23 LEN Champions League | |
| League: | LEN Champions League |
| Sport: | Water Polo |
| Duration: | 29 September 2022 – 3 June 2023 |
| Mvp: |  Gergő Zalánki (Pro Recco) |
| Top Scorer: |  Alvaro Granados 46 goals (Novi Beograd) |
| Finals: | Final 8 |
| Finals Champ: |  Pro Recco (11th title) |
| Finals Runner-Up: |  Novi Beograd |
| Finals Mvp: | Gergő Zalánki (Pro Recco) |
| Seasonslist: | LEN Champions League |
| Seasonslistnames: | Champions League |
| Prevseason Link: | 2021–22 LEN Champions League |
| Prevseason Year: | 2021–22 |
| Nextseason Link: | 2023–24 LEN Champions League |
| Nextseason Year: | 2023–24 |
The 2022–23 LEN Champions League was the 60th edition of LEN's premier competition for men's water polo clubs. The champions were Pro Recco of Italy, who defeated Novi Beograd of Serbia 14–11 in the Final in Belgrade.
The full list of teams qualified for each stage of the 2022–23 EHF European League was announced on 12 July 2022.[1]
| Jug AO Dubrovnik | width=220px |  CN Marseille | width=220px |  Dinamo Tbilisi | width=220px | Waspo'98 Hannover |
| Spandau 04 Berlin | Olympiacos Piraeus | FTC-Telekom Budapest | Pro Recco CL | |||
| Novi Beograd | Zodiac Atlètic-Barceloneta |
| Jadran Split | width=220px | CN Noisy-le-Sec | width=220px | ASC Duisburg | width=220px | NC Vouliagmeni |
| Genesys OSC-Budapest | AN Brescia | Šabac | Barcelona |
 Invictum Sarajevo | width=220px | Banja Luka | width=220px | HAVK Mladost Zagreb | width=220px | KVIK Kastrup |
| EN Tourcoing | Panionios GSS | A-Híd VasasPlaket |  ASA Tel Aviv | |||
| RN Savona |  EVK Žaibas |  Jadran Herceg Novi | Primorac Kotor | |||
| ZPC Het Ravijn | Vitória Sport Clube |  Steaua Bucharest | CSM Oradea | |||
 KVP Nováky |  Galatasaray | Enka Istanbul |
The schedule of the competition is as follows.[2]
| Phase | Round | 1st leg | 2nd leg |
|---|---|---|---|
| Qualifying rounds | Qualification round I | 29 September–2 October 2022 | |
| Qualification round II | 14–16 October 2022 | ||
| Qualification round III | 29 October 2022 | 5 November 2022 | |
| Preliminary round | Round 1 | 15/16 November 2022 | |
| Round 2 | 29/30 November 2022 | ||
| Round 3 | 13/14 December 2022 | ||
| Round 4 | 20/21 December 2022 | ||
| Round 5 | 10/11 January 2023 | ||
| Round 6 | 24/25 January 2023 | ||
| Round 7 | 7/8 February 2023 | ||
| Round 8 | 17/18 February 2023 | ||
| Round 9 | 28 February/1 March 2023 | ||
| Round 10 | 21/22 March 2023 | ||
| Round 11 | 4/5 April 2023 | ||
| Round 12 | 25/26 April 2023 | ||
| Round 13 | 12/13 May 2023 | ||
| Round 14 | 23/24 May 2023 | ||
| Final 8 | Quarterfinals | 31 May 2023 | |
| Semifinals | 1 June 2023 | ||
| Final | 3 June 2023 | ||
The draw took place in Split.[3] The top three ranked sides will advance from both groups.
The top two ranked sides from each group advance.
The winners in the third round will continue in the preliminary round. |}
In the regular season, teams will play against each other home and away in a round-robin format. The top four teams in group A and the top three teams in Group B will advance to the Final 8. Also, Novi Beograd will participate in the Final 8 as the host of the tournament. The matchdays will be from 15 November 2022 to 24 May 2023.
| + Key to colors | ||||
| Advance to the Final 8 | Home team win | Tie | Away team win |
31 May–3 June 2023, Belgrade, Serbia.
| Group | width=210 | Winners | width=210 | Runners-up | width=210 | Third | width=210 | Fourth |
|---|---|---|---|---|---|---|---|---|
| A | Zodiac Atlètic-Barceloneta | Pro Recco | Olympiacos Piraeus | NC Vouliagmeni | ||||
| B | AN Brescia | Novi Beograd | FTC-Telekom Budapest | Jug AO Dubrovnik |
| Total 7 of the Season | ||||||
|---|---|---|---|---|---|---|
| [4] | LW | Alvaro Granados (Novi Beograd) | CF | Dimitrios Nikolaidis(Vouliagmeni) | RW | Gergő Zalánki(Pro Recco) |
| LD | Felipe Perrone (Atlètic-Barceloneta) | CB | Marko Zuvela (Jug) | RD | Edoardo Di Soma (Brescia) | |
| GK | Marco Del Lungo (Pro Recco) | |||||