Game-winning goals count goals that end up deciding wins. Higher means the player scored more goals that made the final difference. Below are the top 222 NHL playoff players ranked by Playoff Game Winning Goals for 1977-78.
| # | Player | Team | GWG |
|---|---|---|---|
| 1 | 2 | ||
| 2 | 2 | ||
| 3 | 2 | ||
| 4 | 2 | ||
| 5 | 2 | ||
| 6 | R. EllisRon Ellis 32YRW | 2 | |
| 7 | 2 | ||
| 8 | 2 | ||
| 9 | 2 | ||
| 10 | 1 | ||
| 11 | 1 | ||
| 12 | 1 | ||
| 13 | 1 | ||
| 14 | 1 | ||
| 15 | 1 | ||
| 16 | 1 | ||
| 17 | 1 | ||
| 18 | S. WeirStan Weir 25YC | 1 | |
| 19 | 1 | ||
| 20 | G. DoakGary Doak 31YD | 1 | |
| 21 | B. KellyBob Kelly 26YLW | 1 | |
| 22 | 1 | ||
| 23 | 1 | ||
| 24 | 1 | ||
| 25 | 1 | ||
| 26 | 1 | ||
| 27 | 1 | ||
| 28 | M. BossyMike Bossy 20YRW | 1 | |
| 29 | 1 | ||
| 30 | 1 | ||
| 31 | R. MartinRick Martin 25YLW | 1 | |
| 32 | 1 | ||
| 33 | 1 | ||
| 34 | 1 | ||
| 35 | 1 | ||
| 36 | 1 | ||
| 37 | B. GaineyBob Gainey 23YLW | 0 | |
| 38 | R. HouleRejean Houle 27YLW | 0 | |
| 39 | 0 | ||
| 40 | 0 | ||
| 41 | B. ParkBrad Park 28YD | 0 | |
| 42 | 0 | ||
| 43 | 0 | ||
| 44 | 0 | ||
| 45 | 0 | ||
| 46 | S. ShuttSteve Shutt 25YLW | 0 | |
| 47 | 0 | ||
| 48 | 0 | ||
| 49 | 0 | ||
| 50 | 0 |