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 222 NHL playoff players ranked by Playoff Power Play Goals for 1977-78.
| # | Player | Team | PPG |
|---|---|---|---|
| 1 | B. ParkBrad Park 28YD | 4 | |
| 2 | 3 | ||
| 3 | 3 | ||
| 4 | S. ShuttSteve Shutt 25YLW | 3 | |
| 5 | 3 | ||
| 6 | 2 | ||
| 7 | 2 | ||
| 8 | 2 | ||
| 9 | 2 | ||
| 10 | 2 | ||
| 11 | D. GareDanny Gare 23YRW | 2 | |
| 12 | 2 | ||
| 13 | 2 | ||
| 14 | 1 | ||
| 15 | 1 | ||
| 16 | 1 | ||
| 17 | 1 | ||
| 18 | 1 | ||
| 19 | 1 | ||
| 20 | 1 | ||
| 21 | 1 | ||
| 22 | 1 | ||
| 23 | S. WeirStan Weir 25YC | 1 | |
| 24 | B. BarberBill Barber 24YLW | 1 | |
| 25 | 1 | ||
| 26 | R. LeachReggie Leach 27YRW | 1 | |
| 27 | 1 | ||
| 28 | 1 | ||
| 29 | 1 | ||
| 30 | 1 | ||
| 31 | N. LibettNick Libett 31YLW | 1 | |
| 32 | R. MartinRick Martin 25YLW | 1 | |
| 33 | 1 | ||
| 34 | 1 | ||
| 35 | 1 | ||
| 36 | 1 | ||
| 37 | 1 | ||
| 38 | 1 | ||
| 39 | 1 | ||
| 40 | P. HickeyPat Hickey 24YLW | 1 | |
| 41 | 1 | ||
| 42 | 0 | ||
| 43 | B. GaineyBob Gainey 23YLW | 0 | |
| 44 | R. HouleRejean Houle 27YLW | 0 | |
| 45 | 0 | ||
| 46 | 0 | ||
| 47 | 0 | ||
| 48 | 0 | ||
| 49 | 0 | ||
| 50 | 0 |