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 76 NHL playoff players ranked by Playoff Plus Minus for 1965-66.
| # | Player | Team | +/- |
|---|---|---|---|
| 1 | 6 | ||
| 2 | 6 | ||
| 3 | 6 | ||
| 4 | 5 | ||
| 5 | G. HoweGordie Howe 37YRW | 4 | |
| 6 | 4 | ||
| 7 | 4 | ||
| 8 | 4 | ||
| 9 | 3 | ||
| 10 | 3 | ||
| 11 | 3 | ||
| 12 | 3 | ||
| 13 | D. BalonDave Balon 26YLW | 3 | |
| 14 | 3 | ||
| 15 | 2 | ||
| 16 | 2 | ||
| 17 | 1 | ||
| 18 | 1 | ||
| 19 | 1 | ||
| 20 | 1 | ||
| 21 | 1 | ||
| 22 | 1 | ||
| 23 | 1 | ||
| 24 | B. WallBob Wall 22YD | 1 | |
| 25 | D. HullDennis Hull 20YLW | 1 | |
| 26 | 1 | ||
| 27 | 0 | ||
| 28 | D. DuffDick Duff 29YLW | 0 | |
| 29 | 0 | ||
| 30 | 0 | ||
| 31 | 0 | ||
| 32 | 0 | ||
| 33 | 0 | ||
| 34 | 0 | ||
| 35 | 0 | ||
| 36 | C. MakiChico Maki 25YRW | 0 | |
| 37 | 0 | ||
| 38 | 0 | ||
| 39 | 0 | ||
| 40 | -1 | ||
| 41 | -1 | ||
| 42 | F. SmithFloyd Smith 30YRW | -1 | |
| 43 | -1 | ||
| 44 | -1 | ||
| 45 | B. HayBill Hay 29YC | -1 | |
| 46 | -1 | ||
| 47 | -1 | ||
| 48 | -1 | ||
| 49 | B. BaunBob Baun 28YD | -1 | |
| 50 | -1 |