NHL-säsongen 1988-89 var den 72:a säsongen i National Hockey League. Tjugoen lag spelade 80 matcher vardera. Calgary Flames vann en helt kanadensisk Stanley Cup-final mot Montreal Canadiens med fyra matcher mot två. Hittills är detta den sista gången som två kanadensiska lag möttes i Stanley Cup.
1988-89 NHL-säsongen
Ordinarie säsong
Slutliga placeringar
Anmärkning: W = segrar, L = förluster, T = oavgjort, GF= mål för, GA = mål emot, Pts = poäng, PIM = straffar i minuter
Prince of Wales-konferensen
| Division Adams | GP | W | L | T | Poäng | GF | GA | PIM |
| 80 | 53 | 18 | 9 | 115 | 315 | 218 | 1537 | |
| 80 | 37 | 29 | 14 | 88 | 289 | 256 | 1929 | |
| Buffalo Sabres | 80 | 38 | 35 | 7 | 83 | 291 | 299 | 2034 |
| Hartford Whalers | 80 | 37 | 38 | 5 | 79 | 299 | 290 | 1672 |
| Quebec Nordiques | 80 | 27 | 46 | 7 | 61 | 269 | 342 | 2004 |
| Patrick Division | GP | W | L | T | Poäng | GF | GA | PIM |
| Washington Capitals | 80 | 41 | 29 | 10 | 92 | 305 | 259 | 1836 |
| Pittsburgh Penguins | 80 | 40 | 33 | 7 | 87 | 347 | 349 | 2670 |
| 80 | 37 | 35 | 8 | 82 | 310 | 307 | 1891 | |
| 80 | 36 | 36 | 8 | 80 | 307 | 285 | 2317 | |
| New Jersey Devils | 80 | 27 | 41 | 12 | 66 | 281 | 325 | 2499 |
| New York Islanders | 80 | 28 | 47 | 5 | 61 | 265 | 325 | 1822 |
Clarence Campbell Konferens
| Norris Division | GP | W | L | T | Poäng | GF | GA | PIM |
| Detroit Red Wings | 80 | 34 | 34 | 12 | 80 | 313 | 316 | 2245 |
| 80 | 33 | 35 | 12 | 78 | 275 | 285 | 1675 | |
| 80 | 27 | 37 | 16 | 70 | 258 | 278 | 1972 | |
| 80 | 27 | 41 | 12 | 66 | 297 | 335 | 2496 | |
| Toronto Maple Leafs | 80 | 28 | 46 | 6 | 62 | 259 | 342 | 1740 |
| Smythe-avdelningen | GP | W | L | T | Pts | GF | GA | PIM |
| 80 | 54 | 17 | 9 | 117 | 354 | 226 | 2444 | |
| Los Angeles Kings | 80 | 42 | 31 | 7 | 91 | 376 | 335 | 2215 |
| 80 | 38 | 34 | 8 | 84 | 325 | 306 | 1931 | |
| Vancouver Canucks | 80 | 33 | 39 | 8 | 74 | 251 | 253 | 1569 |
| Winnipeg Jets | 80 | 26 | 42 | 12 | 64 | 300 | 355 | 1843 |
Ledare i poängligan
Anmärkning: GP = spelade matcher; G = mål; A = assist; Pts = poäng
| Spelare | Team | GP | G | A | Pts | PIM |
| Mario Lemieux | Pittsburgh Penguins | 76 | 85 | 114 | 199 | 100 |
| Los Angeles Kings | 78 | 54 | 114 | 168 | 26 | |
| Steve Yzerman | Detroit Red Wings | 80 | 65 | 90 | 155 | 61 |
| Bernie Nicholls | Los Angeles Kings | 79 | 70 | 80 | 150 | 96 |
| Rob Brown | Pittsburgh Penguins | 68 | 49 | 66 | 115 | 118 |
| Paul Coffey | Pittsburgh Penguins | 75 | 30 | 83 | 113 | 193 |
| Joe Mullen | Calgary Flames | 79 | 51 | 59 | 110 | 16 |
| Jari Kurri | Edmonton Oilers | 76 | 44 | 58 | 102 | 69 |
| Jimmy Carson | Edmonton Oilers | 80 | 49 | 51 | 100 | 36 |
| Luc Robitaille | Los Angeles Kings | 78 | 46 | 52 | 98 | 65 |
NHL-utmärkelser
| Montreal Canadiens | |
| Art Ross Memorial Trophy: | Mario Lemieux, Pittsburgh Penguins |
| Tim Kerr, Philadelphia Flyers | |
| Brian Leetch, New York Rangers | |
| Al MacInnis, Calgary Flames | |
| Frank J. Selke Trophy: | Guy Carbonneau, Montreal Canadiens |
| Wayne Gretzky, Los Angeles Kings | |
| Pat Burns, Montreal Canadiens | |
| Chris Chelios, Montreal Canadiens | |
| King Clancy Memorial Trophy: | Bryan Trottier, New York Islanders |
| Joe Mullen, Calgary Flames | |
| Lester B. Pearson-priset: | Steve Yzerman, Detroit Red Wings |
| NHL Plus/Minus Award: | Joe Mullen, Calgary Flames, |
| Patrick Roy/Brian Hayward, Montreal Canadiens | |
| Patrick Roy, Montreal Canadiens | |
| Lester Patrick Trophy: | Dan Kelly, Lou Nanne, Lynn Patrick, Bud Poile |
All-Star-lag
| Första laget | Position | Andra laget |
| Patrick Roy, Montreal Canadiens | G | |
| Chris Chelios, Montreal Canadiens | D | Al MacInnis, Calgary Flames |
| Paul Coffey, Pittsburgh Penguins | D | Ray Bourque, Boston Bruins |
| Mario Lemieux, Pittsburgh Penguins | C | Wayne Gretzky, Los Angeles Kings |
| Joe Mullen, Calgary Flames | RW | Jari Kurri, Edmonton Oilers |
| Luc Robitaille, Los Angeles Kings | LW | Gerard Gallant, Detroit Red Wings |
Första partier
Nedan följer en lista över spelare som spelade sin första NHL-match 1988-89 (listade med sitt första lag, stjärnor(*) markerar start i slutspelet):
- Don Sweeney, Boston Bruins
- Stephane Quintal, Boston Bruins
- Sergei Priakin, Calgary Flames
- Paul Ranheim, Calgary Flames
- Theoren Fleury, Calgary Flames
- Ed Belfour, Chicago Blackhawks
- Jeremy Roenick, Chicago Blackhawks
- Randy McKay, Detroit Red Wings
- Tim Cheveldae, Detroit Red Wings
- Martin Gelinas, Edmonton Oilers
- Mike Modano*, Minnesota North Stars
- Eric Desjardins, Montreal Canadiens
- Jyrki Lumme, Montreal Canadiens
- Mike Keane, Montreal Canadiens
- Eric Weinrich, New Jersey Devils
- Paul Ysebaert, New Jersey Devils
- Tom Fitzgerald, New York Islanders
- Tony Granato, New York Rangers
- Mike Richter*, New York Rangers
- John Cullen, Pittsburgh Penguins
- Mark Recchi, Pittsburgh Penguins
- Curtis Leschyshyn, Quebec Nordiques
- Joe Sakic, Quebec Nordiques
- Rod Brind'Amour*, St. Louis Blues
- Trevor Linden, Vancouver Canucks
- Bob Essensa, Winnipeg Jets
Senaste spelen
Nedan följer en lista över spelare som spelade sin sista match i NHL 1988-89 (lista med deras sista lag):
- Mark Napier, Buffalo Sabres
- Hakan Loob, Calgary Flames
- Lanny McDonald, Calgary Flames
- Doug Halward, Edmonton Oilers
- Tomas Jonsson, Edmonton Oilers
- John Anderson, Hartford Whalers
- Ron Duguay, Los Angeles Kings
- Craig Hartsburg, Minnesota North Stars
- Dennis Maruk, Minnesota North Stars
- Bob Gainey, Montreal Canadiens
- Billy Smith, New York Islanders
- Marcel Dionne, New York Rangers
- Anton Stastny, Quebec Nordiques
- Mel Bridgman, Vancouver Canucks
- Bengt Gustafsson, Washington Capitals