Template:2023–24 LEN Euro Cup Eight-finals

Team 1	Agg.Tooltip Aggregate score	Team 2	1st leg	2nd leg
Jug AO Dubrovnik	21–19	A-Híd Vasas Plaket	12–11	9–8
BVSC-Zugló	22–23	Crvena zvezda	13–11	9–12
Spandau 04	22–20	CC Ortigia	8–8	14–12
Astralpool Sabadell	33–23	EN Tourcoing	18–11	15–12
Panionios GSS	30–31	Steaua București	12–11	18–20 PS
Primorje Erste Bank Rijeka	28–22	Dinamo Tbilisi	8–7	20–15
RN Savona	28–23	Jadran Herceg Novi	16–10	12–13
CN Barcelona	19–27	NC Vouliagmeni	13–17	6–10