Plus/minus compares goals for and goals against while the player is on the ice. Higher means the player's team outscored opponents more with him on the ice. Below are the top 352 NHL playoff players ranked by Playoff Plus Minus for 1989-90.
| # | Player | Team | +/- |
|---|---|---|---|
| 1 | 15 | ||
| 2 | J. KurriJari Kurri 29YRW | 13 | |
| 3 | 13 | ||
| 4 | 12 | ||
| 5 | M. LambMark Lamb 24YC | 12 | |
| 6 | 12 | ||
| 7 | 11 | ||
| 8 | 11 | ||
| 9 | 11 | ||
| 10 | 10 | ||
| 11 | 8 | ||
| 12 | 8 | ||
| 13 | 8 | ||
| 14 | 8 | ||
| 15 | 7 | ||
| 16 | C. NeelyCam Neely 24YRW | 7 | |
| 17 | 7 | ||
| 18 | 6 | ||
| 19 | 6 | ||
| 20 | 6 | ||
| 21 | 6 | ||
| 22 | 6 | ||
| 23 | 6 | ||
| 24 | 5 | ||
| 25 | B. ProppBrian Propp 30YLW | 5 | |
| 26 | 5 | ||
| 27 | 5 | ||
| 28 | 5 | ||
| 29 | 5 | ||
| 30 | 5 | ||
| 31 | 5 | ||
| 32 | 4 | ||
| 33 | 4 | ||
| 34 | 4 | ||
| 35 | J. TuckerJohn Tucker 24YRW | 4 | |
| 36 | 4 | ||
| 37 | 4 | ||
| 38 | 4 | ||
| 39 | T. FleuryTheo Fleury 21YRW | 4 | |
| 40 | 4 | ||
| 41 | B. LauerBrad Lauer 22YRW | 4 | |
| 42 | 4 | ||
| 43 | 3 | ||
| 44 | 3 | ||
| 45 | 3 | ||
| 46 | 3 | ||
| 47 | 3 | ||
| 48 | 3 | ||
| 49 | 3 | ||
| 50 | 3 |