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 316 NHL playoff players ranked by Playoff Game Winning Goals for 1979-80.
| # | Player | Team | GWG |
|---|---|---|---|
| 1 | B. BarberBill Barber 26YLW | 4 | |
| 2 | 3 | ||
| 3 | S. PayneSteve Payne 20YLW | 3 | |
| 4 | 2 | ||
| 5 | 2 | ||
| 6 | 2 | ||
| 7 | 2 | ||
| 8 | 2 | ||
| 9 | A. MacAdamAl MacAdam 27YRW | 2 | |
| 10 | 2 | ||
| 11 | 2 | ||
| 12 | S. ShuttSteve Shutt 27YLW | 2 | |
| 13 | 1 | ||
| 14 | 1 | ||
| 15 | 1 | ||
| 16 | 1 | ||
| 17 | 1 | ||
| 18 | 1 | ||
| 19 | 1 | ||
| 20 | 1 | ||
| 21 | 1 | ||
| 22 | 1 | ||
| 23 | M. BossyMike Bossy 22YRW | 1 | |
| 24 | D. GareDanny Gare 25YRW | 1 | |
| 25 | D. LuceDon Luce 30YC | 1 | |
| 26 | 1 | ||
| 27 | 1 | ||
| 28 | 1 | ||
| 29 | 1 | ||
| 30 | R. DudleyRick Dudley 30YLW | 1 | |
| 31 | 1 | ||
| 32 | B. GaineyBob Gainey 25YLW | 1 | |
| 33 | 1 | ||
| 34 | 1 | ||
| 35 | 1 | ||
| 36 | 1 | ||
| 37 | 1 | ||
| 38 | 1 | ||
| 39 | 1 | ||
| 40 | 1 | ||
| 41 | N. DupontNorm Dupont 22YLW | 1 | |
| 42 | 1 | ||
| 43 | 1 | ||
| 44 | 1 | ||
| 45 | 1 | ||
| 46 | 1 | ||
| 47 | 1 | ||
| 48 | 1 | ||
| 49 | 1 | ||
| 50 | 1 |