Power-play goals count goals scored while the player's team has an extra skater. Higher means the player scores more on the power play. Below are the top 229 NHL playoff players ranked by Playoff Power Play Goals for 1978-79.
| # | Player | Team | PPG |
|---|---|---|---|
| 1 | 6 | ||
| 2 | 4 | ||
| 3 | 3 | ||
| 4 | R. LeachReggie Leach 28YRW | 3 | |
| 5 | 2 | ||
| 6 | 2 | ||
| 7 | 2 | ||
| 8 | 2 | ||
| 9 | 2 | ||
| 10 | 2 | ||
| 11 | M. BossyMike Bossy 21YRW | 2 | |
| 12 | 2 | ||
| 13 | 1 | ||
| 14 | 1 | ||
| 15 | 1 | ||
| 16 | 1 | ||
| 17 | 1 | ||
| 18 | 1 | ||
| 19 | S. ShuttSteve Shutt 26YLW | 1 | |
| 20 | 1 | ||
| 21 | 1 | ||
| 22 | 1 | ||
| 23 | 1 | ||
| 24 | 1 | ||
| 25 | B. KellyBob Kelly 27YLW | 1 | |
| 26 | 1 | ||
| 27 | 1 | ||
| 28 | 1 | ||
| 29 | 1 | ||
| 30 | 1 | ||
| 31 | 1 | ||
| 32 | 1 | ||
| 33 | S. AppsSyl Apps 30YC | 1 | |
| 34 | 1 | ||
| 35 | 1 | ||
| 36 | 1 | ||
| 37 | 1 | ||
| 38 | 0 | ||
| 39 | 0 | ||
| 40 | P. HickeyPat Hickey 25YLW | 0 | |
| 41 | 0 | ||
| 42 | 0 | ||
| 43 | 0 | ||
| 44 | 0 | ||
| 45 | 0 | ||
| 46 | 0 | ||
| 47 | 0 | ||
| 48 | 0 | ||
| 49 | 0 | ||
| 50 | B. GaineyBob Gainey 24YLW | 0 |