2004–05 LEN Euroleague
League	LEN Euroleague
Sport	Water Polo
Duration	29 September 2004 to 21 May 2005
Number of teams	16 (preliminary round) 35 (total)
Final Four
Finals champions	Posillipo (3rd title)
Runners-up	Bp. Honvéd
Euroleague seasons
← 2003–04 2005–06 →

The 2004–05 LEN Euroleague was the 42nd edition of LEN's premier competition for men's water polo clubs. It ran from 29 September 2004 to 21 May 2005, and it was contested by thirty five teams from fifteen countries. CN Posillipo defeated defending champion Budapest Honvéd in the final to win its third title, while Pro Recco was third and Jug Dubrovnik fourth.^[1]

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts
1	Brixia Leonessa	5	5	0	0	60	27	+33	15
2	Ferencvárosi	5	4	0	1	39	24	+15	12
3	Galatasaray	5	3	0	2	44	37	+7	9
4	Patras	5	2	0	3	28	36	−8	6
5	Triglav Kranj	5	1	0	4	35	42	−7	3
6	Alphen	5	0	0	5	19	59	−40	0

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts
1	Pro Recco	5	5	0	0	58	17	+41	15
2	Primorac Kotor	4	3	0	1	43	22	+21	9
3	Lodz	5	3	0	2	44	37	+7	9
4	Polar Bears Ede	6	2	0	4	33	36	−3	6
5	Illichivets Mariupol	4	1	0	3	24	43	−19	3
6	Tirol Innsbruck	4	1	0	3	20	147	−127	3
7	ASA Tel Aviv	4	0	0	4	26	46	−20	0

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts
1	Mladost Zagreb	5	5	0	0	81	24	+57	15
2	Yüzme	5	4	0	1	42	44	−2	12
3	CSKA Moscow	5	3	0	2	44	44	0	9
4	Bayer Uerdingen	5	2	0	3	43	54	−11	6
5	Taverny 95	5	1	0	4	40	59	−19	3
6	Koper	5	0	0	5	23	48	−25	0

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts
1	Shturm Chekhov	5	5	0	0	66	23	+43	15
2	Mladost Zagreb	5	4	0	1	54	26	+28	12
3	Patras	5	2	0	3	36	41	−5	6
4	Duisburg	5	2	0	3	26	44	−18	6
5	Taverny 95	5	1	0	4	30	61	−31	3
6	Lodz	5	1	0	4	29	46	−17	3

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts
1	Vasas Budapest	5	5	0	0	47	28	+19	15
2	Brixia Leonessa	5	4	0	1	57	24	+33	12
3	Primorac Kotor	5	3	0	2	50	32	+18	9
4	Marseille	5	2	0	3	50	37	+13	6
5	CSKA Moscow	5	1	0	4	30	42	−12	3
6	Tirol Innsbruck	5	0	0	5	12	80	−68	0

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts
1	Posillipo	5	5	0	0	68	20	+48	15
2	Niš	5	4	0	1	35	30	+5	12
3	Ferencvárosi	5	3	0	2	44	32	+12	9
4	Polar Bears Ede	5	2	0	3	35	48	−13	6
5	Illichivets Mariupol	5	1	0	4	22	48	−26	3
6	Yüzme	5	0	0	5	29	58	−29	0

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts
1	Pro Recco	5	5	0	0	54	18	+36	15
2	Primorje Rijeka	5	4	0	1	62	38	+24	12
3	Triglav Kranj	5	3	0	2	40	52	−12	9
4	Vouliagmeni	5	2	0	3	37	43	−6	6
5	Galatasaray	5	1	0	4	37	43	−6	3
6	Bayer Uerdingen	5	0	0	5	25	56	−31	0

Jug

Vasas

Nice

Niš

Recco

Jadran

Mladost

Barceloneta

Posillipo

Spartak

Primorje

Spandau

Honvéd

Leonessa

Šturm

Olympiacos

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Location of teams of the 2004–05 LEN Euroleague group stage.
Red: Group A; Green: Group B; Blue: Group C; Yellow: Group D.

Team	Pld	W	D	L	GF	GA	GD	Pts
Jug Dubrovnik	6	5	1	0	65	43	+22	11
Vasas	6	4	1	1	52	46	+6	9
Olympic Nice	6	1	0	5	53	49	+4	2
Niš	6	1	0	5	37	53	−16	2

Team	Pld	W	D	L	GF	GA	GD	Pts
Pro Recco	6	3	3	0	46	38	+8	9
Jadran Herceg Novi	6	3	1	2	49	40	+9	7
HAVK Mladost	6	2	1	3	38	48	−10	5
Atlètic-Barceloneta	6	1	1	4	39	46	−7	3

Team	Pld	W	D	L	GF	GA	GD	Pts
Posillipo	6	5	0	1	59	39	+20	10
Spartak Volgograd	6	2	1	3	41	47	−6	5
Primorje	6	2	1	3	40	46	−6	5
Spandau 04	6	2	0	4	44	50	−6	4

Team	Pld	W	D	L	GF	GA	GD	Pts
Honvéd	6	5	0	1	60	42	+18	10
Leonessa	6	4	0	2	46	44	+2	8
Šturm 2002	6	2	1	3	51	55	−4	5
Olympiacos	6	0	1	5	34	50	−16	1

The first legs were played on 30 March, and the second legs were played on 20 April 2005.

Team 1	Agg.Tooltip Aggregate score	Team 2	1st leg	2nd leg
Bp. Honvéd	25–14	Spartak Volgograd	13–6	12–8
Jadran Herceg Novi	16–17	Jug Dubrovnik	8–8	8–9
Leonessa	11–12	Posillipo	8–8	3–4
Vasas	14–19	Pro Recco	6–10	8–9

Piscina Felice Scandone, Naples, Italy.

Semifinals 20 May 2005 Final 21 May 2005                       Jug Dubrovnik 9       Bp. Honvéd (aet) 10   Bp. Honvéd 8       Posillipo (aet) 9   Pro Recco 6     Posillipo 7   Third place           Jug Dubrovnik 7     Pro Recco 11

Final standings Team Posillipo Bp. Honvéd Pro Recco Jug Dubrovnik

2004–05 LEN Euroleague Champions
Posillipo 3rd Cup

• 2004–05 LEN Trophy