The 2004–05 NLA season was the 67th regular season of the Nationalliga A, the main professional ice hockey league in Switzerland.

The season started on September 17, 2004, the last League Qualification game was played on April 14, 2005.

Regular season

Final standings Team GP W L T GF GA Pts 1. HC Lugano 44 29 8 7 148 99 65 2. HC Davos 44 27 13 4 156 102 58 3. ZSC Lions 44 23 17 4 146 118 50 4. EV Zug 44 20 16 8 140 142 48 5. Genève-Servette HC 44 20 19 5 126 131 45 6. HC Ambri-Piotta 44 19 18 7 133 137 45 7. SC Rapperswil-Jona 44 20 19 5 140 130 45 8. SC Bern 44 18 18 8 143 121 44 9. Kloten Flyers 44 19 20 5 122 128 43 10. HC Fribourg-Gottéron 44 13 24 7 115 145 33 11. SCL Tigers 44 12 26 6 96 154 30 12. HC Lausanne 44 8 30 6 111 169 22

Scoring leaders

Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty Minutes Player Team GP G A Pts PIM Randy Robitaille ZSC Lions 36 22 45 67 56 Hnat Domenichelli HC Ambri-Piotta 41 23 36 59 30 Jean-Guy Trudel HC Ambri-Piotta 42 24 33 57 105 Ville Peltonen HC Lugano 44 24 32 56 16 Stacy Roest SC Rapperswil-Jona 41 17 38 55 10 Joe Thornton HC Davos 40 10 44 54 80 Oleg Petrov EV Zug 44 30 23 53 85 Dale McTavish SC Rapperswil-Jona 44 24 29 53 36 Robert Petrovicky ZSC Lions 44 21 29 50 48 Kimmo Rintanen Kloten Flyers 44 21 29 50 12

Playoffs

Quarterfinals

HC Lugano (1) vs. SC Bern (8) Date Away Home February 26 SC Bern 2 0 HC Lugano   March 1 HC Lugano 5 2 SC Bern   March 3 SC Bern 2 0 HC Lugano   March 5 HC Lugano 2 4 SC Bern   March 7 SC Bern 5 4 HC Lugano OT SC Bern wins series 4–1    HC Davos (2) vs. SC Rapperswil-Jona (7) Date Away Home February 26 SC Rapperswil-Jona 2 6 HC Davos   March 1 HC Davos 2 1 SC Rapperswil-Jona OT March 3 SC Rapperswil-Jona 3 6 HC Davos   March 5 HC Davos 2 1 SC Rapperswil-Jona OT HC Davos wins series 4–0 ZSC Lions (3) vs. HC-Ambri-Piotta (6) Date Away Home February 26 HC-Ambri-Piotta 3 5 ZSC Lions March 1 ZSC Lions 4 2 HC-Ambri-Piotta March 3 HC-Ambri-Piotta 2 1 ZSC Lions March 5 ZSC Lions 2 1 HC-Ambri-Piotta March 7 HC-Ambri-Piotta 2 6 ZSC Lions ZSC Lions wins series 4–1    EV Zug (4) vs. Genève-Servette HC (5) Date Away Home February 26 Genève-Servette HC 2 3 EV Zug   March 1 EV Zug 4 2 Genève-Servette HC   March 3 Genève-Servette HC 1 3 EV Zug   March 5 EV Zug 3 2 Genève-Servette HC OT EV Zug wins series 4–0

Semifinals

{| cellspacing="10" | valign="top" | HC Davos vs. SC Bern Date Away Home March 12 SC Bern 1 2 HC Davos March 15 HC Davos 4 5 SC Bern March 17 SC Bern 1 2 HC Davos March 19 HC Davos 2 1 SC Bern March 22 SC Bern 2 0 HC Davos March 24 HC Davos 4 1 SC Bern HC Davos wins series 4–2

| valign="top" | {| cellpadding="3" border="1" class="wikitable" ! bgcolor="#DDDDDD" colspan="4" | ZSC Lions vs. EV Zug

! Date !! Away !! Home

| March 12 || align = "right" | EV Zug 3 || 1 ZSC Lions || 

| March 15 || align = "right" | ZSC Lions 4 || 1 EV Zug || 

| March 17 || align = "right" | EV Zug 1 || 4 ZSC Lions || 

| March 19 || align = "right" | ZSC Lions 3 || 2 EV Zug || OT

| March 22 || align = "right" | EV Zug 2 || 4 ZSC Lions ||  |- align="center" | colspan="4" | ZSC Lions wins series 4–1''' |}

Finals

HC Davos vs. ZSC Lions Date Away Home March 31 ZSC Lions 6 4 HC Davos April 2 HC Davos 6 3 ZSC Lions April 4 ZSC Lions 2 3 HC Davos April 7 HC Davos 4 3 ZSC Lions April 9 ZSC Lions 2 3 HC Davos HC Davos wins series 4–1

Scoring leadersNote: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty Minutes'' Player Team GP G A Pts PIM Joe Thornton HC Davos 14 4 21 25 29 Jan Alston ZSC Lions 15 11 13 24 10 Randy Robitaille ZSC Lions 15 2 17 19 10 Niklas Hagman HC Davos 15 10 7 17 6 Robert Petrovicky ZSC Lions 15 6 9 15 39 Mark Streit ZSC Lions 15 4 11 15 20 Tony Virta ZSC Lions 14 7 6 13 14 Rick Nash HC Davos 15 9 2 11 26 Josef Marha HC Davos 15 2 8 10 14 Björn Christen HC Davos 15 7 2 9 4

Playout

Semifinals

Kloten Flyers (9) vs. HC Lausanne (12) Date Away Home February 26 HC Lausanne 2 4 Kloten Flyers   March 1 Kloten Flyers 2 1 HC Lausanne   March 3 HC Lausanne 4 8 Kloten Flyers   March 5 Kloten Flyers 2 3 HC Lausanne OT March 7 HC Lausanne 1 6 Kloten Flyers   Kloten Flyers wins series 4–1    Fribourg-Gottéron (10) vs. SCL Tigers (11) Date Away Home February 26 SCL Tigers 5 7 Fribourg-Gottéron March 1 Fribourg-Gottéron 2 5 SCL Tigers March 3 SCL Tigers 2 0 Fribourg-Gottéron March 5 Fribourg-Gottéron 2 3 SCL Tigers March 7 SCL Tigers 1 8 Fribourg-Gottéron March 10 Fribourg-Gottéron 2 5 SCL Tigers SCL Tigers wins series 4–2

Finals

HC Lausanne vs. Fribourg-Gottéron Date Away Home March 15 HC Lausanne 4 5 Fribourg-Gottéron March 17 Fribourg-Gottéron 7 9 HC Lausanne March 19 HC Lausanne 3 7 Fribourg-Gottéron March 22 Fribourg-Gottéron 4 3 HC Lausanne March 24 HC Lausanne 2 5 Fribourg-Gottéron Fribourg-Gottéron wins series 4–1

League Qualification

HC Lausanne vs. EHC Basel Date Away Home March 31 EHC Basel 5 4 HC Lausanne April 2 HC Lausanne 3 1 EHC Basel April 4 EHC Basel 3 4 HC Lausanne April 7 HC Lausanne 1 5 EHC Basel April 9 EHC Basel 2 0 HC Lausanne April 11 HC Lausanne 4 2 EHC Basel April 14 EHC Basel 4 0 HC Lausanne EHC Basel wins series 4–3

Results from Regular Season 2004-2005

Playout 2004-2005 League Qualification 2004-2005